A man blew himself up Wednesday after shooting dead an intelligence official in Afghanistan’s southeastern town of Khost, witnesses said. The attacker was not identified but authorities said he was a member of the ousted Taliban militia, which has stepped up its insurgency in recent months and threatened a wave of suicide attacks in cities. Khost town’s deputy intelligence chief, Colonel Mohammad Isa, was on his way to his office when the assailant opened fire on his car and killed him in a bazaar, witnesses said. “The man started to run away, but blew himself up amid shouting when the soldiers tried to arrest him,” said Pacha Gul, a shopkeeper near the scene. Two Taliban officials said separately that members of the ousted militia were behind the attack on Isa, but gave different accounts of how the attacker died. Full Story