QUETTA: Around 18 people were injured in a powerful bomb blast in the provincial capital on Sunday morning. The homemade bomb went off in Shawakasha Road's food street at Junction Chowk at about 9:05am, said police sources. The bomb, which had been fixed to a parked bicycle, damaged four shops, three restaurants and two cars. The injured people, including a woman, were shifted to hospital for treatment. Two of the injured people are in critical condition. The police sources said it was a terrorist attack, and police had started searching for the assailants. There was no immediate claim of responsibility for the blast.