Six people, including a camp counselor, aboard a sailboat were thrown into the water after the collision on Monday, the authorities said.

A third child has died as a result of Monday’s barge-sailboat collision in Biscayne Bay, the Miami Yacht Club and U.S. Coast Guard announced Sunday.

The owners of a sailboat and barge that collided in Biscayne Bay near Miami Beach on Monday, killing two young girls and critically injuring two other girls, are working with commercial salvage to draft a plan to have both vessels removed, according to the U.S. Coast Guard.