Port Sulphur

Brian McDonald / <a href="http://www.shutterstock.com/cat.mhtml?lang=en&amp;search_source=search_form&amp;version=llv1&amp;anyorall=all&amp;safesearch=1&amp;searchterm=gulf+of+mexico&amp;search_group=#id=128912711">Shutterstock</a>

The Coast Guard is overseeing an offshore oil spill in Plaquemines Parish. A 42-foot vessel hit an inactive wellhead Tuesday night about nine miles southwest of Port Sulphur.