At least two persons including one Frontier Constabulary (FC) Jawan were killed when some unidentified armed militants attacked at convoy of FC personnel on Tuesday. According to FC sources, Frontier Constabulary convoy was on routine monitoring in Kolpur area in Quetta when some unidentified armed militants attacked it. During indiscriminate fire at the party, one FC person was killed. The FC personnel also retaliated at the militants, killing an assailant on the spot while other militants managed to flee from the scene after incident. The security forces seized the dead boy of the militant and cordoned off entire area and launched search operation for militants after the incident incident.