Syria, May 6: A blast on the outskirts of Syria’s second city Aleppo has killed at least five people, opposition activists say. The blast went off in a car wash in the Tall al-Zarazeer district, the Syrian Observatory for Humans Rights said. Activists say the business was linked to pro-Assad militias.

It is not known whether the people hurt in the Aleppo explosion were civilians or members of the security forces, an Observatory spokesman said.

An activist of the rebel Free Syrian Army in Aleppo told that the group carried out the attack on the car wash, which it said was being used by a pro-regime militia. “We placed a bomb inside a car,” the activist Ali al-Halabi said, adding that he had seen seven dead bodies and several more wounded at the scene of the blast. Earlier reports said the explosion had targeted a passing bus.

Bomb attacks are now a regular occurrence in Damascus and Aleppo.