Security forces on Saturday claimed to have killed three suspected militants in an exchange of fire and were allegedly involved in passenger train attacks in Balochistan's Bolan district.

"All three miscreants were killed as result of exchange of fire with security forces," said spokesman Frontier Corps (FC) Khan Wasey.

"All three suspected militants were killed during joint raids of Frontier Corps and security institutions to apprehend the elements involved in attacks on passenger trains," he added.

FC official also claimed to have recovered weapons from the possession of miscreants.

Balochistan has been experiencing incidents of violence and targeted killings for over a decade. The largest province of the country by area, is home to a insurgency by ethnic Baloch separatists.