Afghans are seen at the site of an explosion in Paghman district of Kabul, capital of Afghanistan, Aug. 7, 2012. Up to eight civilians were killed and four others injured Tuesday morning when a bomb planted by the Taliban insurgents targeted a bus in Kabul, the Interior Ministry said. [Xinhua]

An Afghan policeman stands guard at the site of a remote-controlled bomb explosion in Paghman district of Kabul, capital of Afghanistan, Aug. 7, 2012. Up to eight civilians were killed and four others injured Tuesday morning when a bomb planted by the Taliban insurgents targeted a bus in Kabul, the Interior Ministry said. [Xinhua]

People carry the body of a victim of an explosion during the funeral ceremony in Paghman district of Kabul, capital of Afghanistan, Aug. 7, 2012. Up to eight civilians were killed and four others injured Tuesday morning when a bomb planted by the Taliban insurgents targeted a bus in Kabul, the Interior Ministry said. [Xinhua]