Barclays said it will contest a record £300 million fine imposed by the US energy regulator in court.
The Federal Energy Regulatory Commission has accused the banking giant of fixing electricity prices in California and other states for more than two years.
Four of Barclays former traders also received fines for allegedly fixing power prices between November 2006 and December 2008.
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"People must be aware at all times that there are wild animals around them and they must make sure that their tents are properly closed."
The UK has been stripped of its top credit grade rating by Standard & Poor in the wake of its vote to leave the European Union.
Tonight: Showers will become confined to northern and western Scotland overnight leaving much of the country dry with clear spells.