A roadside bomb tore through a police vehicle in an insurgent attack in a southern Afghanistan flashpoint on Saturday, killing seven officers, the interior ministry said. The incident took place in Registan district in Kandahar province, a hotbed for the Taliban-led insurgency, the ministry said. "A roadside bomb struck a police vehicle which resulted in the martyrdom of seven policemen," the statement said. Two other officers were wounded in the blast, which the ministry blamed on insurgents. In the north, a bomb blast killed an Afghan civilian and wounded ...