At least seven people were killed and more than 70 injured in an explosion on Tuesday morning at the Jamia Zuberia madrassa in Peshawar’s Dir Colony. According to Lady Reading Hospital spokesperson Mohammad Asim, four of the deceased were students between the ages of 20 to 25.

“The blast took place in the madrassah during a Quran class. Someone took a bag inside the seminary,” Waqar Azim, a senior police official, told. Mohammad Ali Gandapur, another senior police official, confirmed the details. Senior Superintendent of Police (Operations) Mansoor Aman confirmed the explosion, saying that the IED was used in the explosion.

The area has been cordoned off and police teams are collecting evidence. No group has claimed responsibility for the attack. More details are awaited.