Jamaica’s top police officer appealed for calm today after an alleged drugs baron was arrested.

Jamaica’s top policeman vowed today to capture the reputed underworld boss who escaped a bloody four-day assault on his slum stronghold amid growing claims that innocent people died during the fighting.

Thousands of heavily armed police and soldiers barged past barricades into Jamaica's most violent slums today, clashing with die-hard defenders of a gang leader sought by the US, leaving at least 30 people dead.