QUETTA: At least two armed men were killed in retaliatory fire by Frontier Corps (FC) after the militants attacked the checkpost in district Mastung, Geo News reported. According to FC spokesman, the two attackers were killed in retaliatory fire by the FC when armed men attacked the checkpost in Ispalangi areas. The spokesman further said weapons, detonators and mobile SIMs were recovered from the possession of accused who were shot dead by the FC.