The attack, which occurred at the Police Training College in Quetta, led to an operation by Pakistani military and Frontier Corps forces to clear the premises which houses at least 600 police cadets. Helicopters and drones were also used for surveillance.
Police Training College in Quetta bbc
“There were three terrorists and all of them were wearing suicide vests,” he added.
The operation took four hours to complete with some Pakistani military personnel receiving critical wounds.
Sarfraz Bugti informed that the attack was carried out by Lashkar-e-Jhangvi Al Alami militants who were continuously getting instructions from Afghanistan.
Militants have conducted several attacks against security forces and national installations in Balochistan, which has been plagued by insurgency and growing sectarian killings for more than a decade.
In August, a suicide bombing at the Civil hospital in Quetta killed 73 people, most of them lawyers.