A man was hospitalized after leaping from a boat that exploded into flames in Fort Lauderdale Wednesday morning, officials say, the second boat explosion in the city this week.

The grandmother of two boys who survived a fiery boat explosion on the Intracoastal Waterway on Memorial Day said the children have extensive burns and may remain hospitalized for up to five months.

Eleven people, including two children, were injured after a boat exploded Monday afternoon on Memorial Day near a popular sandbar in Fort Lauderdale, officials said. Witnesses described a chaotic scene,