At least six students died and 12 others sustained injuries when roof of a madrassa (religious seminary) collapsed in Ali Khel area in Karak district of Khyber Pakhtunkhwa.
Rescue officials told that several people are still trapped under the rubble and heavy machinery was being used to remove the debris.
The injured were shifted to the District Headquarter (DHQ) Hospital.
Reportedly, the building collapsed due to rainwater accumulation that seeped into its foundation.
Pakistan’s National Disaster Management Authority says more than 70 people have been killed in rain-related incidents in various parts of Pakistan during the ongoing monsoon season.
It a statement on July 14, the agency said that 90 people were also injured since June 26 when rains started lashing the country.
In Pakistan and neighboring India, deadly floods occur regularly during the monsoon season, which runs from June through September.
The disaster management authority said it has transported food, tents and other relief supplies to affected areas.