Associated Press: Eleven US workers who are missing after a fire on the Deepwater Horizon oil rig off Louisiana are feared dead Link to this video A deepwater oil platform that burned for more than a day after an explosion has sunk in the Gulf of Mexico as hopes faded of finding 11 missing workers. The sinking of the Deepwater Horizon could release more than 1,135,600 litres of crude oil a day into the water. The environmental hazards would be greatest if the spill were to reach the Louisiana …