Police and a hospital spokesman confirmed that a bomb went off in the northwestern city of Peshawar this morning.
At least seven children were killed in the attack and another 70 people were injured.
One police officer who wished to remain anonymous said: “The blast took place in a madrassa where unknown people had planted explosives in a plastic bag.”
A preacher was addressing students about Islam at the main hall of the Jamia Zubairia madrassa when the explosion happened, according to police officer Waqar Azim.
He added that the inquiry indicated that the blast occured moments after a bag was letf at the madrassa.
Speaking to AFP, Mr Azim said: “The blast took place in a seminary during a Koran class.
“Someone took a bag inside the seminary.”
Mohammad Ali Gandapur, another senior officer, ratified the information about the explosion.
He added that two lecturers were among those injured.
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