Hurricane Jose strengthens to "extremely dangerous" Category 4 storm

MIAMI - Hurricane Jose has become an "extremely dangerous" Category 4 hurricane, threatening Caribbean islands already devastated by Hurricane Irma, the U.S. National Hurricane Center said.As of Friday morning, Jose had top sustained winds of 150 mph and as it moves toward the northern Leeward Islands at a speedy 18 mph.A tropical storm watch has been issued for St. Thomas and St. John.The government of Antigua has issued a tropical storm watch for the British Virgin Islands.The government of Fr