Taliban suicide bomber kills 3 UN workers in Afghanistan

A suicide bomber in a vehicle attacked a convoy carrying Afghan doctors working for the United Nations in southern Afghanistan, killing two doctors and their driver and wounding 15 others. The Taliban claimed responsibility. In other violence Sunday, seven children died after ordnance they were playing with exploded, and militants ambushed and killed seven police, officials said. The two doctors were under contract with the UN World Health Organization in combating polio in Afghanistan, said Adrian Edwards, the chief UN spokesman in the country. The driver also worked for the UN mission. All three were Afghan nationals, Edwards said. The attack happened in the Spin Boldak district of Kandahar province as the convoy was on its way to vaccinate people, said provincial police Chief Matiullah Khan.