Toll rises to 16 dead, more than 100 wounded in Kabul blast

The blast was caused by a tractor packed with explosives that had been parked alongside a wall by Green Village. Sixteen killed, 119 wounded in last night's attack," Rahimi said, noting a search-and-rescue operation had lasted through the night.

The Taliban claimed the attack, which came as US special envoy Zalmay Khalilzad was in Kabul to discuss a proposed deal that would see the US withdraw troops from Afghanistan in return for insurgent security guarantees.