Abu Dhabi municipality has launched an investigation to determine the cause behind the collapse of a the suspended ceiling of Cafe Doppio at Mushrif Mall, The National has reported. Two Emiratis were treated at Sheikh Khalifa Medical City for minor injuries and discharged soon after. Mall officials said the suspended ceiling was the responsibility of the cafe owners and not the mall contractors. They also said they may do a second round of shop inspections to ensure compliance with construction standards. All units were inspected when the mall opened in August, they said.