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Now for the latest developments from the Gulf of Mexico, where tens of thousands of additional gallons of oil have gushed into the sea, after an underwater robot bumped a venting system. This forced BP to remove a containment cap.
When the robot bumped the system Wednesday morning, gas rose through the vent that pumps in warm water to prevent ice-like crystals from forming.
Crews have since been manually checking to make sure no new crystals have formed, but BP could not say how long the process might take.
Before the containment cap problem, the company had collected about 700 thousand gallons of oil in the previous 24 hours.
The latest accident is yet another setback in the nine-week effort to stop the leak, and it comes as thick pools of crude wash up on scenic Pensacola Beach in Florida.