By Jeffrey Heller and Avida Landau
JERUSALEM (Reuters) - A Palestinian construction worker rammed a bulldozer into buses and cars on one of west Jerusalem's busiest streets on Wednesday, killing three Israelis and wounding more than 40 before he was shot dead.
Israeli police said the driver of the 20-tonne earthmoving vehicle was killed by a civilian and a policeman who clambered onto the cab as it wrought havoc along Jaffa Road, overturning a city bus and crushing cars along a 500-metre stretch.
There was no immediate claim of responsibility from militant groups. Relatives and police named the attacker as 30-year-old Hosam Dwayyat, a construction worker from Arab East Jerusalem. Police were trying to establish whether he had acted alone.
Israeli government spokesman Mark Regev said the attack "was an act of senseless, murderous violence". An aide to Palestinian President Mahmoud Abbas called it an attempt to wreck peace negotiations and urged Israel to show restraint in its response.
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