SHEIKHUPURA - A large numbers of stray dogs are roaming in and around the city and a number of people have fallen victim to such dogs.Afzal, who was bitten by a dog, said that in Khokar Town stray dogs chase schoolchildren so more such incidents could occur if proper action was not taken by the department concerned. The area people demanded that the Tehsil Municipal Administration and the Health Department officials should launch a campaign against stray dogs.