New York, May 25 -- One worker was killed and two others injured on Saturday in an explosion on a boat carrying sewage that was docked on the Hudson River in New York, local authorities said.

The explosion, which occurred near the North River Wastewater Treatment Plant, happened at about 10:30 a.m. local time (1430 GMT) on a motorized city vessel that transports raw sewage, New York Fire Department Deputy Assistant Chief David Simms said at a press conference Saturday.

First responders found a 59-year-old man unconscious in the river, New York police said, and he was declared dead at the scene.

The man was identified as a "dedicated" worker from the New York City Department of Environmental Protection, ABC News reported, citing a stateme...