Federal transportation officials have launched an investigation into why a Mexican navy tall ship hit the Brooklyn Bridge. The collision snapped the vessel’s three masts, killed two crew members and left some sailors dangling from harnesses high in the air.

At least two people were killed and about 20 injured when a Mexican Navy training ship on a global goodwill tour struck the underside of the Brooklyn Bridge in New York Saturday night, officials said.

The National Transportation Safety Board is sending a specialized group of investigators to New York after a Mexican ship crashed into the Brooklyn Bridge.