Uefa has charged Galatasaray after their Champions League tie at Borussia Dortmund on Tuesday was twice stopped by firecrackers.
The Turkish club captain Selcuk Inan and Felipe Melo pleaded with fans who threw flares during the match.
Dortmund fans had to protect themselves when explosives thrown from the away section landed in the home stands.
Travelling supporters also set off smoke bombs at Signa Iduna Park, forcing referee Pavel Kralovec to take the players off the pitch.
Uefa disciplinary panel will convene on 13 November to decide what necessary sanction to hand Gala.
The European football governing body is awaiting report from the match delegate in Dortmund before deciding whether to open disciplinary action against the Istanbul club.
Galatasaray lost the match 4-1 and are now on the verge of elimination from the knockout stage. They were fined £40,000 for flares thrown during a Champions League game at Arsenal.