DOZENS of international observers abandoned this volatile West Bank city yesterday after irate crowds smashed windows and threw stones at their headquarters - the most violent Palestinian protest yet against Danish cartoons depicting Islam’s revered prophet.

THE 19-year-old who killed four Israeli Arabs on a bus had deserted the army to protest at Israel’s upcoming withdrawal from Gaza, taking refuge in a militant Jewish settlement with his military-issued rifle.

A JEWISH extremist opened fire inside a bus yesterday, killing four Israeli Arabs before being slain by an angry crowd, police said.