At least five people were killed on Saturday afternoon when unknown gunmen opened fire in Pakistan' s southwestern province of Balochistan, local media reported.

According to the reports, two gunmen riding a motorcycle suddenly appeared in the Kasan Puri area of Naushki, a district in the southwestern side of the provincial capital Quetta, and opened fire at five laborers working at a site.

As a result of firing, all the poor men died on the spot.

Police and rescue team rushed to the site of incident and shifted the bodies to the district hospital.

According to eyewitnesses, all the laborers were from the country's eastern province of Punjab.

Dozens of workers, doctors, professors and businessmen, who migrated from other provinces to Balochistan, have been killed during the last couple of years. Officials and other sources believed that Baloch people who have adopted armed struggle for their rights were involved in such incidents.