ISLAMABAD, Sept. 1 (Xinhua) -- At least three people were killed and two others injured after a blast hit a vehicle in Pakistan's northwest tribal area of Mohmand Agency on Friday, local Urdu media reported.
The killed included a father and his son who were accompanying a tribal elder to a place in their vehicle, Dunya News said.
The vehicle was struck by a landmine planted at the roadside by unknown militants in the Shati Maina area of the Agency, a tribal area located along Pakistan-Afghanistan border.
The tribal elder got injured, and has been shifted to a nearby hospital where he is said to be in critical condition.
No group has claimed the attack yet. Security forces cordoned off the area for investigations.