Retired Coast Guard Admiral Thad Allen says BP's ruptured well will remain capped if ships evacuate the Gulf of Mexico because of a looming tropical depression. Thad Allen says growing confidence in the cap's security convinced scientists it was safe to leave it unmonitored for a few days.
He'll decide Thursday evening whether ships will evacuate.
Forecasters at the U.S. National Hurricane Center in Miami say the storm system has already caused flooding in Puerto Rico, the Dominican Republic and Haiti. It could become Tropical Storm Bonnie later Thursday and reach the Gulf of Mexico by Saturday.
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