At least three men, including a close friend of the chief minister, were gunned down by unknown men in Pakistan's Balochistan on Tuesday, media reports said.

Police officials said CM Sarfraz Bugti’s friend was killed when three armed men opened fire in the Sui town of Dera Bugti. The victim, Allah Rakhia, received three bullets, which resulted in his instant death, reported Dawn News.

The motive behind the attack is still not known.

Police have launched an investigation into the incident.