AlHijjah 2, 1432, Oct 29, 2011, SPA -- Thirteen foreign troops were killed Saturday in a suicide attack in Kabul, the worst such attack ever in the Afghan capital, a spokesman for ISAF military forces said. According to dpa, a suicide bomber in an explosives-laden vehicle targeted the military convoy in which the soldiers were travelling. "Initial reports indicate that 13 International Security Assistance Force (ISAF) service members died following an improvised explosive device attack in Kabul earlier today," Sergeant Michael Montello, a spokesman for NATO-led military coalition. Four Afghans, including a policeman and two students, were also killed in the attack, the Interior Ministry said. "A suicide bomber targeted the convoy of international military forces in Darulaman Square of Kabul city Saturday morning," police spokesman Hashmat Stanikzai said.