Key West, Florida — Across the U.S., there are furious efforts to get aid into the Caribbean nation of Jamaica following the trail of destruction and devastation left by Hurricane Melissa .

Tens of thousands remain in shelters, and about 490,000 homes and businesses were still without power as of Thursday, or about 72% of the island, according to Jamaican officials. More than 130 roads remain blocked by debris.

Melissa , which made landfall as a Category 5 hurricane, was responsible for at least four deaths in Jamaica.

"I think the entire Jamaica is really broken because of what has happened," Jamaican Minister of Education, Skills, Youth and Information Dana Dixon said in a news conference Thursday.

In Key West, Florida, Project DYNAMO, a nonprofit group of military veter

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