At least 25 people have also been reported as injured in the blast that set multiple cars on fire.
Balochistan interior minister confirmed that the blast was of high intensity and there were threats.
“On-duty security vehicle was targeted in the blast, 10 security officials were also among those injured in the attack”, statement added.
“The attack was aimed to lessen our passion to celebrate Pakistan’s independence”, the COAS said.
All of the 20 injured were admitted to the Civil Hospital whilst security forces cordoned off the attack site and launched a search operation.
“We are trying to provide best possible facilities to the injured people”, he said, adding that the holidays of all doctors in the city were suspended.
According to eyewitness, cited by reports, one of the vehicles exploded at Pishun Stop, which led to fire erupting in other vehicles passed side-by-side. “Several vehicle and auto rickshaws have been burnt or damaged after the blast as they caught fire due to the intensity of the blast”, the official said. He said security operation at the blast site has been completed, but it would be premature to comment on the nature of the explosion. An state of emergency has been declared in the hospitals of Quetta.
A spokesman for the Balochistan government, Anwarul Haq Kakar, also confirmed the toll. “The bomb disposal squad has reached the spot and we will be able to confirm soon whether it was a suicide attack or a planted bomb”, he said. He said it was not immediately clear if it was a suicide blast or a remotely controlled explosive device.
ISPR Director General Major General Asif Ghafoor said in a Twitter post that Chief of the Army Staff has condemned the attack and termed it an attempt to mar the Independence Day Celebrations.