A Palestinian driving a front-end loader plowed into a string of vehicles on a crowded Jerusalem street Wednesday, killing at least three and injuring dozens before he was shot dead, police said. - The attack happened just after noon local time on Jaffa Road, prompting hundreds to flee as medics raced in to treat the wounded. - Officials say the driver flattened half a dozen cars, overturned vehicles and rammed into two buses, heavily damaging one and turning the other on its side. - “Somebody knocked out the back window [of a bus] and people streamed out, running literally for their lives,” the CBC's Peter Armstrong reported from the scene. - Three Palestinian militant groups took responsibility for the attack, but Israeli police referred to the attacker as a "terrorist" acting on his own. - Israel's national rescue service confirmed three deaths and at least 45 injured, with two being treated for serious wounds. ...