OUR STAFF REPORTER LAHORE A woman and her son were injured when the roof of their dilapidated house caved in with a bang during heavy rain here in Paapar Mandi Shahalami area on Friday, police and rescue workers said. Local resident said that the woman and her son, later identified as Bushra Bibi and Nadeem, were present in the house when its roof collapsed on them during heavy downpour. The rescue teams rushed to the spot, launched the operation and managed to pull out the injured from the debris after hectic efforts. The injured were shifted to the Mayo Hospital in critical condition.