Imphal: Suspected tribal militants ambushed a BSF patrol party at Heirok in Manipur's Thoubal district along the India-Myanmar border on Thursday.
Police sources said that the militants hurled two bombs at the patrol party of the 50 Bn BSF returning from a foot patrol to their camp.
Besides, a few shots were also fired from automatic rifles. The patrolling party fired in return but the militants managed to escape.
The BSF personnel escaped unhurt and no casualities have been reported.
Police have registered a case in Thursday's ambush but no arrests have been made.
Sources said that once the identity of the militant outfit is established, it would be conveyed to the union home ministry.
Meanwhile, all police stations and camps of the security forces were put on alert.
The BSF personnel escaped unhurt.