Peshawar: The death toll from a coal mine collapse caused by a gas explosion in Pakistan's northwest tribal area rose to eight while another four were reported missing and feared dead.

The mine collapse in Orakzai Agency yesterday had trapped 65 labourers, rescue officials said.

The area has been witnessing heavy rainfall, hindering the rescue operation. However, officials said that the mine collapsed due to an explosion, caused by accumulation of gas. More than 100 army and Frontier Corps troopers were undertaking rescue operation.

Those rescued were being treated at hospitals. The dead and majority of injured belong to Shangla district.

Khyber Pakhtunkhwa Governor Iqbal Zafar Jagra has expressed grief over the incident and has directed authorities to expedite the rescue operation.