Tropical storm watches cover parts of the Caribbean as Bret is forecast to bring strong winds and flooding

Tropical Storm Bret strengthened slightly overnight and is forecast to reach the Lesser Antilles on Thursday morning as a strong tropical storm.

​CNN.com – RSS Channel Tropical Storm Bret strengthened slightly overnight and is forecast to reach the Lesser Antilles on Thursday morning as a strong tropical storm. 

​Read More Tropical Storm Bret strengthened slightly overnight and is forecast to reach the Lesser Antilles on Thursday morning as a strong tropical storm.