Several small drones collided and then fell into a crowd at a holiday drone show in Florida on Saturday night, the Federal Aviation Administration said. CBS Orlando affiliate WKMG reports a 7-year-old boy was injured.

The 7-year-old boy critically injured after he was struck by a falling drone at at a Central Florida park will remain in intensive care Christmas Day, his mother said

The 7-year-old required heart surgery after the drone, apparently involved in a midair collision, struck his chest, mother Adriana Edgerton told NBC affiliate WESH of Orlando.