At least 20 people were killed and three others injured on Saturday when unidentified gunmen opened fire at a labour camp in Pakistan's Balochistan's province.
The incident took place at Turbat city in Balochistan, Dawn online reported.
Imran Qureshi, District Police Officer (DPO) Turbat, said militants opened fire indiscriminately at the labourers while they were sleeping.
There was no immediate claim of responsibility for the attack.
Qureshi speculated that the incident appeared to be an act of targeted killing. All the victims received multiple bullet injuries, he added.
He also said the labourers belonged to Sindh and were employed for construction of a bridge in the area.