The explosion occurred hours after a blast in Balochistan's Sibi district injured 24 persons, according to police officials and eyewitnesses as reported Dawn News.

According to Quetta Civil Hospital Medical Superintendent Arbab Kamran, the bodies of two victims were brought to the facility, while four injured persons were brought for treatment, the Pakistani news channel reported.

Quetta Deputy Commissioner retired Major Aurangzeb Badini told Dawn News the Quetta blast was targeted at a Kashmir Solidarity Day rally that was passing from the area.

The nature of the blast remained unknown.

Balochistan Governor Justice Aman Ullah Khan Yasinzai condemned the incident, saying miscreants wanted to harm the country's integrity, reports Dawn News.