UPDATE 5-BP, contractors start trial for worst US offshore spill
February 25, 2013 at 19:26 PM EST
NEW ORLEANS, Feb 25 (Reuters) - A long-awaited trial over the biggest U.S. offshore oil spill began on Monday, with governments, businesses and individuals blaming BP Plc mostly for the 2010 disaster that killed 11 rig workers and spilled 4 million barrels of oil into the Gulf of Mexico.
