Just before Steau go 2-0 up through a penalty, one of the home team's(Petrolul) fans takes to the pitch and suckerpunches Steaua defender George Galamaz. Cue crazy scenes of immediate retribution from the Bucharest players, ending up with two of them getting sent off.
[youtube]http://www.youtube.com/watch?v=SCL2b5t_xO0[/youtube]