Updated : Wednesday March 10 , 2010
MANSEHRA: Gunmen attacked the office of a Western aid agency in Mansehra district Wednesday with a bomb and gunfire, killing up to seven people working for the organization, it was reported reports.

The attackers hurled grenades during the attack on World Vision, a large Christian humanitarian group, in in Tehsil Oghi of Mansehra district. The identity of the casualties was not known, police said.

Two women are also among those killed. The attackers, however, managed their escape easily.

The dead were all Pakistanis, said police official Mohammad Sabir. A large contingent of Police arrived at the scene and shifted the dead bodies to hospital for medico-legal formalities.

Many foreign aid groups have been working in Mansehra district, helping rebuild it after the 2005 Kashmir earthquake.