The match was between Egypt's Al-Masry and Al-Ahly football clubs. After the game, rioting fans charged the field and attacked each other and the police. Reports claim most of the violence was instigated by the Al-Masry. The match was held at Port Said. Below is a video of the riots beginning.
After three days of violence and looting, British Prime Minister David Cameron has recalled Parliament from its summer recess, and ordered 16,000 police officers to restore order on the streets of London. More than 525 people have already been arrested for rioting, filling every holding cell in the city.