PESHAWAR: Four workers were injured in a coalmine blast on Tuesday in the Tull region in Khyber Pakhtunkhwa’s Hangu district, DawnNews reported.

The blast occurred due to the filling up of gas inside the coalmine, DawnNews quoted DSP Tull as saying.

The injured workers were shifted to the District Headquarters Hospital Hangu. However, later, two of the severely injured workers were shifted to the Kohat Hospital.

In a separate incident, militants blew up a boys’ primary school in the Chapri Naryab area of Tull. The blast destroyed three out of the six rooms of the school.

The number of schools destroyed in the district has risen to 10.