Peshawar, Feb 25: At least four people were killed and ten others were injured when gunmen opened fire and hurled grenades at the office of a British-run aid group in Mansehra on Monday.

The attackers stormed the office of Plan International, a non-governmental organisation and fled after setting it up with fire.

“We have collected four bodies. There are 10 injured, it's an emergency situation -- we are trying to confirm more details,” Mohammad Ashfaq, local coordinator for Plan International told a foreign news agency.

The injured have been admitted to nearby hospitals. (ANI)