A suicide bomber in a car struck a NATO-Afghan military convoy Tuesday, killing one civilian and wounding two others, a day after a bomb at a market left 21 civilians dead and 43 wounded, officials said. A remote controlled bomb in Helmand province also killed two police on patrol Tuesday, an official said. Tuesday's suicide bomber hit the military convoy on the main road linking Kandahar with the city's airport, said. Col. Sher Shah, who was in the convoy. No NATO soldiers were wounded, the Associated Press reported. A civilian driving near the convoy died in the blast, while another civilian and an Afghan soldier were wounded, Shah said. The bodies of the civilian and the bomber laid on the road. A remote-controlled bomb hit a police vehicle on patrol in Grieshk district of Helmand province killing two officers, said Ghulam Muhiddin, the Helmand governor's spokesman. He blamed the Taliban. Another remote-controlled bomb went off in east Kabul shortly after a NATO vehicle patrol drove past, but there were no casualties, said Interior Ministry spokesman Yousef Stanezai. On Monday, a suicide bomber targeting a former police chief killed 21 people and wounded 43 in a market in the Helmand provincial capital of Lashkar Gah. The bomb initially killed 17 people, but four of the wounded later died, officials said.