At least four people were killed and seven others injured Thursday morning in a bomb attack on a local oil and gas company vehicle in Jafarabad, a city in the eastern side of Pakistan's southwest province of Balochistan, reported local Urdu TV channel Geo.
According to local media reports, the blast took place at about 11:30 a.m. local time when a remote control bomb fixed to a motorcycle parking along the road hit a vehicle of a local state- owned oil and gas company in the Dera Allah Yar area of Jafarabad, Xinhua reported.
Five of the seven people injured in the blast are in critical conditions, said hospital sources.
Police have cordoned off the area and a search operation is under way.
No group has claimed the responsibility for the attack yet.