BP is authorized to pump cement into the Deepwater Horizon oil spill site after a successful "static kill" procedure with drilling mud.
It is revealed that BP chief executive Tony Hayward is negotiating his terms of exit after being negatively criticised by politicians in the United States over his handling of the Deepwater Horizon oil spill in the Gulf of Mexico.
Energy company BP announces it is to sell billions worth of assets in Canada, Egypt, Pakistan, United States and Vietnam to part-fund the clean-up cost of the Deepwater Horizon oil spill in the Gulf of Mexico.
Animal welfare groups sue BP for burning endangered sea turtles and ask the court to stop the controlled burning of spilled oil in the Gulf of Mexico, claiming BP is violating the Endangered Species Act and other laws.
United States Coast Guard Admiral Thad Allen, the US government's response manager to the Gulf of Mexico oil disaster says that BP is making progress stopping the oil flow, but that it is too early to call the effort a success and the spill may continue for several months.