This April 21, 2010, file photo shows the Deepwater Horizon oil rig burning after an explosion in the Gulf of Mexico, off the southeast tip of Louisiana. (AP Photo/Gerald Herbert, File)
Expert: BP withheld crucial information
A well design expert testifying for the federal government accused BP of withholding critical information from industry regulators before a blowout triggered a deadly explosion on the Deepwater Horizon drilling rig in 2010.
1st witness to speak in oil spill trial
Trial begins for 2010 Gulf oil spill
Claims against dispersant maker tossed
