BP has published its internal investigation into the accident on the Deepwater Horizon rig in the Gulf of Mexico on 20 April 2010. The investigation found that no single factor caused the Macondo well tragedy. Rather, a sequence of failures involving a number of different parties led to the explosion and fire which killed 11 people and caused widespread pollution in the Gulf of Mexico earlier this year. Read the full report and more at http://bit.ly/BP_Report