12-27-2010 04:07 AM

'The federal agency charged with investigating industrial chemical accidents has accused two BP partners of "hands-on manipulation" of evidence in the Gulf oil spill.

The US Chemical Safety Board has asked for a halt to testing of the blowout preventer involved in the Deepwater Horizon explosion, saying that employees of Cameron International and Transocean have been permitted "hands-on manipulation" of the device.'

Read more: BP Partners ‘Manipulating’ Oil Spill Evidence, Chemical Board Says