At least 10 children died after a boat carrying 25 madrasa students capsized in Tanda Dam of Kohat district.
All of the dead so far recovered from Tanda Dam lake, near Kohat in Khyber Pakhtunkhwa province, were between seven and 14 years old.
According to Rescue 1122, 18 students have been rescued while eight are under treatment in a hospital.
Madrasah students of the village Mir Badshah Khel reportedly came to the Dam for a picnic.
Mass drownings are common in Pakistan, when aged and overloaded vessels lose their stability and pitch passengers into the water.
In July, 18 women drowned when an overcrowded boat carrying a wedding party across the Indus river in Punjab province capsized.