A suicide attacker detonated a bomb on Istanbul's main pedestrian shopping street on Saturday, killing five people, AP cited the city's governor as saying. Twenty other people were injured in the attack. The attacker was among the dead. Governor Vasip Sahin said the explosion occurred outside a local government office on Istiklal Street, which is also home to cafes, restaurants and foreign consulate buildings. Sahin said one of wounded victims died in hospital. The private Dogan news agency said at least three of the injured are Israeli nationals. Police sealed off the area and a forensic team was at the scene.