MIRAMSHAH: Security forces resorted to heavy shelling following an attack on a checkpost in Miramshah on Sunday night, local people said.

They said several shells hit residential compounds, partially damaging houses surrounding Miramshah.

Officials said security forces took the retaliatory action after miscreants fired at Amin checkpost. Heavy exchange of fire continued for over an hour.

No casualty was reported.

On Monday, authorities imposed a curfew in North Waziristan Agency to provide protection to a military convoy.

An improvised explosive device planted along the road at Karamkot in Mirali Tehsil was defused.

Helicopter gunships kept flying over the convoy.

A large number of people were stranded in Bannu because of curfew.

Witnesses said security personnel fired at two men, identified as Sajidullah and Inamullah Khan, who were working in their fields. Both were injured and taken to hospital in Mirali.