Egypt 's health ministry says More than 1,000 people were killed in the past five years 's clashes . Matches between Egypt 's top clubs , Al Ahly and Zamalek , have history of violence . Anti-authoritarian fan groups of `` Ultras accused Zamalek regime of heavy handed treatment . Ahly ultras last April . When revolution began , groups joined forces and led many of the Cairo protests .
Egypt 's health ministry says More than 1,000 people were killed in the past five years 's clashes . Matches between Egypt 's top clubs , Al Ahly and Zamalek , have history of violence . Anti-authoritarian fan groups of `` Ultras accused Zamalek regime of heavy handed treatment . When revolution began , groups joined forces and led many of the Cairo protests .