Authorities have suspended the search for a boater who went missing in the Delaware River Monday evening.

The Coast Guard says that five people were aboard a 16-foot recreational boat that hit a wake near Hawk Island in Delanco.

Four people were rescued by another boat before the Coast Guard arrived on the scene. They were being treated at hospitals for undisclosed injuries, but their names and further details were not disclosed.

The fifth person in the boat, identified only as a man in his 20s, has not been found.