Two children are dead and one is unresponsive after a sailboat crashed and sank Monday morning off Hibiscus Island in Miami Beach.

RESCUED ⛵ An adult and five children are accounted for after a sailboat sank off Miami Beach, according to reports.

Two children were killed and two more were critically injured after a barge struck a sailboat, causing it to sink in Biscayne Bay Monday morning.

Six people were thrown into the water in the accident, including three other children and a camp counselor, the authorities said.

The sailboat and barge involved in a deadly collision have been moved from the scene. Authorities say they’ve launched an investigation to determine what exactly happened. NBC News’ Jesse Kirsch reports from the scene.

Preliminary information indicates that a “barge struck a sailing vessel carrying six people” near Star Island, a man-made island in Biscayne Bay, according to the commission. All six people on the sailing boat,

Officials address deadly Miami boat collision