Oil spill site
Media playback is unsupported on your device

Preparing to evacuate oil spill site

The incident commander of the oil spill clean-up in the Gulf of Mexico has explained how the evacuation, due to a tropical storm, will affect the clean-up operation.

Thad Allen said they would try to leave some of the vessels on site if it was safe for them to stay.

Go to next video: Storm forces ships off spill site