Original sentence: The event was marred by Rangers fans rioting in Manchester city centre, with BBC News 24 interrupting normal programming to broadcast the riots live on television, and ITN's flagship News at Ten programme giving extensive coverage to the riots
Edited sentence: The event was marred by Rangers fans rioting in Manchester city centre, the vents starting with a big screen in Picadilly gardens breaking down and fans understandably unhappy, with BBC News 24 interrupting normal programming to broadcast the riots live on television, and ITN's flagship News at Ten programme giving extensive coverage to the riots