MARTIN COUNTY, Fla. — One person is dead and five people are still missing after a boat overturned more than 20 miles off the St. Lucie Inlet.

A blaze broke out Sunday on a boat with five people on board off Key Biscayne, officials say. Around 10 a.m., the U.S. Coast Guard, Miami-Dade Sheriff’s Office and Miami-Dade Fire Rescue ...