And again: Terror in Jerusalem (live blog)

An Arab driving a bulldozer rammed into a bus and other vehicles on Jaffa Street, Jerusalem's busiest street, a short while ago. He was shot and killed by police, who apparently waited way too long because of the strict 'open fire orders.' Anywhere from two to four people have been killed and 'dozens' have been wounded. The driver was apparently an 'east' Jerusalem Arab. He drove from Sarei