KARACHI: A twelve-year-old girl has died and four others have been wounded when a roof of their house collapsed on Wednesday. The single storey house which was built on a nullah where the unfortunate incident occurred is located at Metrovill area of SITE. Rescuers from different welfare organisations after the incident reached the site and evacuated the injured persons from the debris. The victims were shifted to Abbasi Shaheed Hospital where the minor girl succumed to her injuries. She was identified as Shahzia, 12. The injured were however identified as Anwar, Sumaira and Shahmir. The Police officials also reached the site and inquired about the incident. Police officials have informed that the incident occurred as the house had a weak foundation because it was built on a nullah. No case has been registered as what the police said that it has happened accidentally.