Witnesses say a bulldozer driver has gone on a rampage in Jerusalem traffic and plowed his vehicle into a crowded public bus. The attack has set off a panic in downtown Jerusalem. Dozens of people are running through the streets to flee the scene of the attack. Police are on the scene. The bus was overturned, many people are lying dazed on the ground and there is a baby with blood all over its face. There is no word on a motive for the attack or the condition of the driver.