Audiences behaving badly: Epidemic of anti-social behaviour in theatres and gigs

Riot police called to a performance of The Bodyguard in Manchester; "Rude and abusive" audience members removed from the balcony of a West End performance of Grease by police and a performance of Meat Loaf's Bat Out Of Hell at London's Peacock Theatre brought to a standstill by a man hurling abuse at fellow theatregoers.