A probe into the deadliest attack on Pakistani troops waging a counterinsurgency campaign along the Afghan border was progressing well, an investigator said today, as a previously unknown group claimed responsibility for the suicide bombing that killed 42 soldiers.

The investigation into a deadly attack on Pakistani troops waging a counterinsurgency campaign along the Afghan border is progressing well, investigators said today.

A SUICIDE attack at Pakistan’s main army training base killed at least 42 soldiers yesterday, the military said.

A suicide attacker detonated a bomb at the Pakistan army’s main training base today, killing at least 42 soldiers as they started their calisthenics exercises, Information Minister Mohammed Ali Durrani said.

A suicide attacker detonated a bomb at a Pakistan army training base today, killing at least 35 soldiers and wounding several others who were doing their morning exercises.