Pakistan has announced one-day mourning on Thursday [May 15] for the victims of coal mine explosion in Turkey.

In a message, Prime Minister Muhammad Nawaz Sharif has expressed grave shock over the tragic incident.

He said we stand by our Turkish brethren in this hour of suffering.

Meanwhile, death toll in the mine explosion has risen to two hundred and seventy four.

Efforts are still underway to rescue scores of missing miners.

About four hundred workers have so far been rescued.