The Coast Guard tested the tugboat captain, a barge crew member and the camp counselor for alcohol or drugs. None tested positive, the agency said.

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.

No drugs or alcohol were involved in the sailboat crash that killed two girls near Miami Beach, the U.S. Coast Guard said Friday.