Guardian: BP has become embroiled in an acrimonious slanging match with one of the US Gulf states most affected by pollution from the Deepwater Horizon blowout in 2010 with the two sides trading blows over the oil company's cleanup record.
A senior BP executive has accused the leaders of Louisiana of "political grandstanding" and making "patently false assertions" about the environmental record of the group since the spill.
The row reflects BP's growing frustration after it failed again to persuade a...