Category 4 Hurricane Irma bearing down on the Florida Keys

UPDATE: Hurricane Irma has regained Category 4 strength as it moves toward Florida.Hurricane Irma's eyewall has reached the Florida Keys.The National Weather Service says the first hurricane-force wind gust has been recorded in the Florida Keys as Irma inches closer to the state.The weather service says the Smith Shoal Light station recorded a 74 mph (119 kph) wind gust on Saturday night.The center of Irma is headed toward the Keys and has sustained winds of 120 mph (193.11 kph). ST. PETERSBURG,