Members of the US Coast Guard are investigating the fire on an oil rig in the Gulf of Mexico which has led to the death of two workers, with two others missing.
The rig is believed to be a shallow water platform located in West Delta Block 32 in the Gulf of Mexico.
A spokesman for Black Elk Oil, which owns the rig, said four injured workers had been airlifted to a hospital in Jefferson Parish, Louisiana.
More top news
Greater Manchester Police's chief constable revealed the offences that drew attention to the future Manchester suicide bomber as a teenager.
Thousands of Beko tumble dryers could pose a fire risk through an overheating fault, the manufacturer has warned.
Labour leader Jeremy Corbyn was unable to provide the cost of his party's key manifesto plans on free child care.