KHYBER AGENCY - A planted improvised explosive device (IED) went off at the a Khasadar force check post and injured three soldiers and a civilian on Friday here in Ghundi area of Jamrud tehsil. Local political administration and other sources informed that an IED installed by unidentified militants near the tent of the force exploded while the Khasadar personnel were having their lunch, injuring three of them and a passer-by who also received injuries from the bomb splinters.