Play is suspended for 15 minutes in the Europa League play-off tie between Anderlecht and Fenerbahce because of apparent crowd trouble.
Rangers will face one of two clubs in the Europa League last 16 after their potential opponents were confirmed amid chaotic scenes as the knock-out play-off round concluded on Thursday night.
Paulo Dybala struck twice in four minutes as Roma beat Porto 3-2 to reach the Europa League round of 16 on Thursday.