Photos: Attack on Pakistan police academy

A Pakistani volunteer and a police officer rush an injured person to a hospital in Quetta, Pakistan, Monday, Oct. 24, 2016, after two separate attacks in Pakistan.

A police cadet who was injured during clashes with suspected militants in an attack at a Police training centre, is shifted to a hospital for treatment in Quetta, Pakistan, on Oct. 24 2016.

Pakistani police officers stand guard outside a police training center which was attacked by militants in Quetta, Pakistan, Tuesday, Oct. 25, 2016.

A Pakistani Frontier Constable personnel stands guard outside the Police Training College Balochistan in Quetta on Oct. 25, 2016.

Pakistani army soldiers arrive at the Balochistan Police Training College in Quetta on Oct. 24, 2016, after militants attacked the police academy.

Police officers load the body of their colleague who was killed in a bomb blast into an ambulance at a hospital in Peshawar, Pakistan, on Oct. 25, 2016.

Pakistani family members of victims visit a police training center where gunmen opened fire in Quetta, Pakistan, on Oct. 25, 2016.

The bodies of police cadets (covered by blankets) and the body of a suspected militant lay on the ground outside a hospital after an attack by suspected militants at a police training center in Quetta, Pakistan, on Oct. 25, 2016.

epa05601496 The bodies of the police cadets lay on the ground outside a hospital after an attack by suspected militants at a police training center in Quetta, Pakistan, 25 October 2016. At least 51 police cadets were killed and over 90 were injured when up to six militants launched the attack at a police training centre in Quetta on 24 October. According to media reports, two of the attackers died as a result of detonating explosives attached to their vests and a third attacker was killed by security personnel. EPA/JAMAL TARAQAI ** Usable by LA, CT and MoD ONLY **  (JAMAL TARAQAI / EPA)