QUETTA - At least two people were killed and several others injured in a bomb explosion near Double Road here on Thursday.

According to police, at least five kilograms of explosives were planted in a motorcycle.

"One man killed on the spot and seven others including a woman sustained serious injuries in the explosion," police said, adding another injured succumbed to his injuries on the way to hospital.

The blast caused damage to five cars, three motorcycles and a rickshaw while windows of buildings in the area were shattered.

Following the blast the injured were shifted to Civil Hospital where three are said to be in a critical condition.

There was no immediate claim of responsibility for the attack.