The US Attorney General Eric Holder has said that authorities negotiated with BP to resolve the civil claims it is facing but was unable to reach a "satisfactory" number.
He added that is was possible that the US and the oil giant could still resolve the claims out of court, but that officials are preparing for trial.
More top news
Scotland Yard are asking for the public's help to find the dangerous men who are wanted in Europe but are believed to be hiding in the UK.
A Bolton chemistry teacher is to be sentenced today after admitting terror offences - with police claiming he wanted to join Islamic State.
Average household incomes have returned to around the levels they were at before the financial crisis hit, new analysis indicates.