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QUETTA: Gunmen shot and killed three workers at a coal mine in southwestern Pakistan, officials said on Sunday. No one immediately claimed responsibility for the attack.
Suhail Anwar Hashmi, the top administrator in Harnai district in Balochistan province, said the early morning violence took place in the Sharag area where most of the province's coal mines are located.
Haranai is located about 124 miles (200 kilometers) northeast of Quetta, the provincial capital of Balochistan. Hashmi said counterterrorism and local police teams were searching for the assailants.
Baloch separatist groups have previously claimed responsibility for similar attacks on coal miners in the region.
In January, gunmen abducted a group of workers from a coal mine in the district of Bolan and shot them dead in a nearby mountainous area. Authorities found 11 bodies and three wounded at the site.
The gas- and mineral-rich Balochistan province has been the scene of a low-level insurgency for some two decades. Initially, insurgents demanded a greater share for the local population of the province's gas and mineral income. But later, Baloch separatist groups started pressing for independence from Pakistan.