Peshawar: One of the main perpetrators of the Peshawar school massacre who was disguised as an internally displaced person, was arrested today, the Pakistani military said.

Taj Mohammad, 27, was the commander of the second group that attacked Army Public School. The second terrorist group involved was led by Atiqur Rehman alias Usman, who has already been captured by security forces, according to an Inter Services Public Relations (ISPR) spokesman. Mohammad is a resident of Sippah in Khyber's Koi Chowk Bara.