The result meant that Galatasaray have now beaten Liverpool twice in the Champions League this season.
The result moved Liverpool up to fifth on the EPL table.
The Gunners remain the only team with a perfect record in the Champions League this season, having won all five matches so far.
The result further compounded Liverpool’s recent woes, leaving Arne Slot’s team with just one win and six defeats out of their last seven league matches.
Salah added another goal in stoppage time to seal the victory for Liverpool.
Real Madrid demolished Liverpool on Tuesday night, leaving Anfield shell-shocked.
Mohamed Salah scored from the spot kick in the second half to secure the victory for the Reds and send them into the second position in the group.
