Strong storms pounded parts of the Deep South on Sunday, damaging buildings and toppling trees in northern Louisiana, the AP reports. The National Weather Service reported multiple tornadoes and damaging winds over much of the northern part of the state. There were no immediate reports of serious injuries. Utility companies reported thousands of power outages. The city of Monroe, Louisiana, said the storm damaged commercial buildings and homes in multiple neighborhoods. Flights were canceled at Monroe Regional Airport, where siding was ripped off buildings and debris was scattered on runways. Airport director Ron Phillips told the News-Star the storm caused up to $30 million in damage to planes inside a hangar. For more: