Islamist militants raided the In Amenas natural gas field (pictured) in Algeria on Wednesday and took several hostages. BP/AP hide caption
BP
Wednesday
Wednesday
The Deepwater Horizon oil rig burned on April 21, 2010. U.S. Coast Guard/Getty Images hide caption
Thursday
June 2010: A boom floats in the water as contract workers from BP use skimmers to clean oil from a marsh near Venice, La. Win McNamee/Getty Images hide caption
July 2010: Two pelicans sit on booms protecting Queen Bess Island, La., from oil that spilled after the Deepwater Horizon rig exploded in April. Chris Graythen/Getty Images hide caption
The Deepwater Horizon oil rig burned on April 21, 2010. U.S. Coast Guard/Getty Images hide caption
Thursday
The Deepwater Horizon oil rig burned on April 21, 2010. U.S. Coast Guard/Getty Images hide caption
Tuesday
The Deepwater Horizon oil rig burned on April 21, 2010. U.S. Coast Guard/Getty Images hide caption
Monday
The Deepwater Horizon oil rig burned on April 21, 2010. U.S. Coast Guard/Getty Images hide caption
Wednesday
Wednesday
The Deepwater Horizon oil rig burned on April 21, 2010. U.S. Coast Guard/Getty Images hide caption