diff --git a/github-api.php b/github-api.php
index e18995e18..0250d985f 100644
--- a/github-api.php
+++ b/github-api.php
@@ -2215,6 +2215,22 @@ function vipgoci_github_pr_review_submit(
 		return;
 	}
 
+	/*
+	 * Reverse results before starting processing,
+	 * so that results are shown in correct order
+	 * after posting.
+	 */
+
+	foreach (
+		array_keys(
+			$results['issues']
+		) as $pr_number
+	) {
+		$results['issues'][ $pr_number ] = array_reverse(
+			$results['issues'][ $pr_number ]
+		);
+	}
+
 	foreach (
 		// The $results array is keyed by Pull-Request number
 		array_keys(
diff --git a/misc.php b/misc.php
index 9e0bf1002..66b2ab45b 100644
--- a/misc.php
+++ b/misc.php
@@ -993,6 +993,74 @@ function vipgoci_issues_filter_duplicate( $file_issues_arr ) {
 	return $file_issues_arr_new;
 }
 
+/*
+ * Sort results to be submitted to GitHub according to
+ * severity of issues -- if configured to do so:
+ */
+function vipgoci_results_sort_by_severity(
+	$options,
+	&$results
+) {
+
+	if ( true !== $options['results-comments-sort'] ) {
+		return;
+	}
+
+	vipgoci_log(
+		'Sorting issues in results according to severity before submission',
+		array(
+		)
+	);
+
+
+	foreach(
+		array_keys(
+			$results['issues']
+		) as $pr_number
+	) {
+		$current_pr_results = &$results['issues'][ $pr_number ];
+
+		/*
+		 * Temporarily add severity
+		 * column so we can sort using that.
+		 */
+		foreach(
+			array_keys( $current_pr_results ) as 
+				$current_pr_result_item_key
+		) {
+			$current_pr_results[ $current_pr_result_item_key ][ 'severity'] =
+				$current_pr_results[ $current_pr_result_item_key ]['issue']['severity'];
+		}
+
+		/*
+		 * Do the actual sorting.
+		 */
+		$severity_column  = array_column(
+			$current_pr_results,
+			'severity'
+		);
+
+		array_multisort(
+		        $severity_column,
+		        SORT_DESC,
+		        $current_pr_results
+		);
+
+		/*
+		 * Remove severity column
+		 * afterwards.
+		 */
+		foreach(
+			array_keys( $current_pr_results ) as 
+				$current_pr_result_item_key
+		) {
+			unset(
+				$current_pr_results[ $current_pr_result_item_key ][ 'severity']
+			);
+		}
+	}
+}
+
 
 /*
  * Add pagebreak to a Markdown-style comment
diff --git a/tests/ResultsSortBySeverityTest.php b/tests/ResultsSortBySeverityTest.php
new file mode 100644
index 000000000..7c62b6ab6
--- /dev/null
+++ b/tests/ResultsSortBySeverityTest.php
@@ -0,0 +1,324 @@
+<?php
+
+require_once( __DIR__ . '/IncludesForTests.php' );
+
+use PHPUnit\Framework\TestCase;
+
+final class ResultsSortBySeverityTest extends TestCase {
+	protected function setUp() {
+		$this->results = array(
+			'issues' => array(
+				24 => array(
+					array(
+						"type"		=> "phpcs",
+						"file_name"	=> "testfile1.php",
+						"file_line"	=> 100,
+						"issue"		=> array(
+							"message"	=> "Incorrect usage of function other_foo()",
+							"source"	=> "RandomStandard.OtherSniff.random_function",
+							"severity"	=> 100,
+							"fixable"	=> false,
+							"type"		=> "INFO",
+							"line"		=> 100,
+							"column"	=> 1,
+							"level"		=> "INFO"
+						)
+					),
+					array(
+						"type"		=> "phpcs",
+						"file_name"	=> "testfile1.php",
+						"file_line"	=> 3,
+						"issue"		=> array(
+							"message"	=> "Incorrect usage of function foo()",
+							"source"	=>  "RandomStandard.RandomSniff.random_function",
+							"severity"	=> 3,
+							"fixable"	=> false,
+							"type"		=> "INFO",
+							"line"		=> 3,
+							"column"	=> 1,
+							"level"		=> "INFO"
+						)
+					),
+					array(
+						"type"		=> "phpcs",
+						"file_name"	=> "testfile1.php",
+						"file_line"	=> 2,
+						"issue"		=> array(
+							"message"	=> "Incorrect usage of function foo()",
+							"source"	=> "RandomStandard.RandomSniff.random_function",
+							"severity"	=> 40,
+							"fixable"	=> false,
+							"type"		=> "INFO",
+							"line"		=> 2,
+							"column"	=> 1,
+							"level"		=> "INFO"
+						)
+					),
+					array(
+						"type"		=> "phpcs",
+						"file_name"	=> "testfile2.php",
+						"file_line"	=> 100,
+						"issue"		=> array(
+							"message"	=> "Incorrect usage of function foo()",
+							"source"	=> "RandomStandard.RandomSniff.random_function",
+							"severity"	=> 101,
+							"fixable"	=> false,
+							"type"		=> "INFO",
+							"line"		=> 100,
+							"column"	=> 1,
+							"level"		=> "INFO"
+						)
+					),
+					array(
+						"type"		=> "phpcs",
+						"file_name"	=> "testfile2.php",
+						"file_line"	=> 100,
+						"issue"		=> array(
+							"message"	=> "Incorrect usage of function foo()",
+							"source"	=> "RandomStandard.RandomSniff.random_function",
+							"severity"	=> 37,
+							"fixable"	=> false,
+							"type"		=> "INFO",
+							"line"		=> 100,
+							"column"	=> 1,
+							"level"		=> "INFO"
+						)
+					),
+				),
+
+				7 => array(
+					array(
+						"type"		=> "phpcs",
+						"file_name"	=> "testfile2.php",
+						"file_line"	=> 100,
+						"issue"		=> array(
+							"message"	=> "Incorrect usage of function foo()",
+							"source"	=> "RandomStandard.RandomSniff.random_function",
+							"severity"	=> 7,
+							"fixable"	=> false,
+							"type"		=> "INFO",
+							"line"		=> 100,
+							"column"	=> 1,
+							"level"		=> "INFO"
+						)
+					),
+					array(
+						"type"		=> "phpcs",
+						"file_name"	=> "testfile2.php",
+						"file_line"	=> 100,
+						"issue"		=> array(
+							"message"	=> "Incorrect usage of function testfoo()",
+							"source"	=> "RandomStandard.RandomSniff.test_function",
+							"severity"	=> 200,
+							"fixable"	=> false,
+							"type"		=> "INFO",
+							"line"		=> 100,
+							"column"	=> 1,
+							"level"		=> "INFO"
+						)
+					),
+					array(
+						"type"		=> "phpcs",
+						"file_name"	=> "testfile2.php",
+						"file_line"	=> 100,
+						"issue"		=> array(
+							"message"	=> "Incorrect usage of function myfoo()",
+							"source"	=> "RandomStandard.RandomSniff.myfoo_function",
+							"severity"	=> 377,
+							"fixable"	=> false,
+							"type"		=> "INFO",
+							"line"		=> 100,
+							"column"	=> 1,
+							"level"		=> "INFO"
+						)
+					),
+				),
+			)
+		);
+	}
+
+	protected function tearDown() {
+		$this->options = null;
+		$this->results = null;
+	}
+
+	/**
+	 * @covers ::vipgoci_results_sort_by_severity
+	 */
+	public function testSortingNotConfigured() {
+		$this->options['results-comments-sort'] = false;
+		$this->results_before = $this->results;
+
+		vipgoci_unittests_output_suppress();
+
+		vipgoci_results_sort_by_severity(
+			$this->options,
+			$this->results
+		);
+
+		vipgoci_unittests_output_unsuppress();
+
+		$this->assertNotEmpty(
+			$this->results_before
+		);
+
+		// Not configured to sort, should remain unchanged
+		$this->assertEquals(
+			$this->results_before,
+			$this->results
+		);
+	}
+
+	/**
+	 * @covers ::vipgoci_results_sort_by_severity
+	 */
+	public function testSortingCorrect1() {
+		$this->options['results-comments-sort'] = true;
+
+		vipgoci_unittests_output_suppress();
+
+		vipgoci_results_sort_by_severity(
+			$this->options,
+			$this->results
+		);
+
+		vipgoci_unittests_output_unsuppress();
+
+		// Configured to sort, should be changed
+		$this->assertEquals(
+			array(
+				'issues' => array(
+					24 => array(
+						array(
+							"type"		=> "phpcs",
+							"file_name"	=> "testfile2.php",
+							"file_line"	=> 100,
+							"issue"		=> array(
+								"message"	=> "Incorrect usage of function foo()",
+								"source"	=> "RandomStandard.RandomSniff.random_function",
+								"severity"	=> 101,
+								"fixable"	=> false,
+								"type"		=> "INFO",
+								"line"		=> 100,
+								"column"	=> 1,
+								"level"		=> "INFO"
+							)
+						),
+						array(
+							"type"		=> "phpcs",
+							"file_name"	=> "testfile1.php",
+							"file_line"	=> 100,
+							"issue"		=> array(
+								"message"	=> "Incorrect usage of function other_foo()",
+								"source"	=> "RandomStandard.OtherSniff.random_function",
+								"severity"	=> 100,
+								"fixable"	=> false,
+								"type"		=> "INFO",
+								"line"		=> 100,
+								"column"	=> 1,
+								"level"		=> "INFO"
+							)
+						),
+						array(
+							"type"		=> "phpcs",
+							"file_name"	=> "testfile1.php",
+							"file_line"	=> 2,
+							"issue"		=> array(
+								"message"	=> "Incorrect usage of function foo()",
+								"source"	=> "RandomStandard.RandomSniff.random_function",
+								"severity"	=> 40,
+								"fixable"	=> false,
+								"type"		=> "INFO",
+								"line"		=> 2,
+								"column"	=> 1,
+								"level"		=> "INFO"
+							)
+						),
+						array(
+							"type"		=> "phpcs",
+							"file_name"	=> "testfile2.php",
+							"file_line"	=> 100,
+							"issue"		=> array(
+								"message"	=> "Incorrect usage of function foo()",
+								"source"	=> "RandomStandard.RandomSniff.random_function",
+								"severity"	=> 37,
+								"fixable"	=> false,
+								"type"		=> "INFO",
+								"line"		=> 100,
+								"column"	=> 1,
+								"level"		=> "INFO"
+							)
+						),
+						array(
+							"type"		=> "phpcs",
+							"file_name"	=> "testfile1.php",
+							"file_line"	=> 3,
+							"issue"		=> array(
+								"message"	=> "Incorrect usage of function foo()",
+								"source"	=>  "RandomStandard.RandomSniff.random_function",
+								"severity"	=> 3,
+								"fixable"	=> false,
+								"type"		=> "INFO",
+								"line"		=> 3,
+								"column"	=> 1,
+								"level"		=> "INFO"
+							)
+						),
+					),
+	
+					7 => array(
+						array(
+							"type"		=> "phpcs",
+							"file_name"	=> "testfile2.php",
+							"file_line"	=> 100,
+							"issue"		=> array(
+								"message"	=> "Incorrect usage of function myfoo()",
+								"source"	=> "RandomStandard.RandomSniff.myfoo_function",
+								"severity"	=> 377,
+								"fixable"	=> false,
+								"type"		=> "INFO",
+								"line"		=> 100,
+								"column"	=> 1,
+								"level"		=> "INFO"
+							)
+						),
+						array(
+							"type"		=> "phpcs",
+							"file_name"	=> "testfile2.php",
+							"file_line"	=> 100,
+							"issue"		=> array(
+								"message"	=> "Incorrect usage of function testfoo()",
+								"source"	=> "RandomStandard.RandomSniff.test_function",
+								"severity"	=> 200,
+								"fixable"	=> false,
+								"type"		=> "INFO",
+								"line"		=> 100,
+								"column"	=> 1,
+								"level"		=> "INFO"
+							)
+						),
+						array(
+							"type"		=> "phpcs",
+							"file_name"	=> "testfile2.php",
+							"file_line"	=> 100,
+							"issue"		=> array(
+								"message"	=> "Incorrect usage of function foo()",
+								"source"	=> "RandomStandard.RandomSniff.random_function",
+								"severity"	=> 7,
+								"fixable"	=> false,
+								"type"		=> "INFO",
+								"line"		=> 100,
+								"column"	=> 1,
+								"level"		=> "INFO"
+							)
+						),
+					),
+				)
+			),
+
+			$this->results
+		);
+	}
+
+
+}
diff --git a/vip-go-ci.php b/vip-go-ci.php
index 3b40c0ee3..facf97f40 100755
--- a/vip-go-ci.php
+++ b/vip-go-ci.php
@@ -139,6 +139,7 @@ function vipgoci_run() {
 			'repo-name:',
 			'commit:',
 			'token:',
+			'results-comments-sort:',
 			'review-comments-max:',
 			'review-comments-total-max:',
 			'review-comments-ignore:',
@@ -245,6 +246,8 @@ function vipgoci_run() {
 			"\t" . '--repo-name=STRING             Specify name of the repository' . PHP_EOL .
 			"\t" . '--commit=STRING                Specify the exact commit to scan (SHA)' . PHP_EOL .
 			"\t" . '--token=STRING                 The access-token to use to communicate with GitHub' . PHP_EOL .
+			"\t" . '--results-comments-sort=BOOL     Sort issues found according to severity, from high ' . PHP_EOL .
+			"\t" . '                               to low, before submitting to GitHub. Not sorted by default.' . PHP_EOL .
 			"\t" . '--review-comments-max=NUMBER   Maximum number of inline comments to submit' . PHP_EOL .
 			"\t" . '                               to GitHub in one review. If the number of ' . PHP_EOL .
 			"\t" . '                               comments exceed this number, additional reviews ' . PHP_EOL .
@@ -736,6 +739,7 @@ function vipgoci_run() {
 
 	vipgoci_option_bool_handle( $options, 'dismissed-reviews-repost-comments', 'true' );
 
+	vipgoci_option_bool_handle( $options, 'results-comments-sort', false );
 
 	if (
 		( false === $options['lint'] ) &&
@@ -1630,6 +1634,16 @@ function vipgoci_run() {
 		$prs_events_dismissed_by_team
 	);
 
+	/*
+	 * Sort issues by severity level, so that
+	 * highest severity is first.
+	 */
+
+	vipgoci_results_sort_by_severity(
+		$options,
+		$results
+	);
+
 	/*
 	 * Remove ignorable comments from $results.
 	 */