Tropical Storm Bret gains strength but won't become a hurricane, heads towards Caribbean.

Tropical Storm Bret is expected to hit the Lesser Antilles and Barbados in the coming days, with maximum sustained winds of 45 mph. The National Hurricane Center had previously forecasted that Bret would strengthen into a hurricane, but now says that is unlikely. Another system in the Atlantic is likely to become a tropical depression. The Lesser Antilles are at risk of flooding, strong winds, and dangerous waves.