SAN JUAN, Puerto Rico — Puerto Rico activated the National Guard and canceled the start of classes in public schools as forecasters warned that the U.S. territory would be hit by Tropical Storm Ernesto, which formed in the Atlantic Ocean on Monday. Tropical storm warnings were in effect for Puerto Rico, the U.S. and British Virgin Islands, Antigua, Barbuda, Anguilla, St. Kitts, Nevis, Montserrat, Guadeloupe, St. Martin, St. Barts and St. Maarten. Officials in the French Caribbean said the storm was expected to drench Guadeloupe on Monday and pass near St. Barts and St. Martin. The National Hurricane Center said Ernesto is forecast to approach Puerto Rico and the U.S. and British Virgin Islands on Tuesday evening. In the neighboring U.S. Virgin Islands, Gov.

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Persons: Tropical Storm Ernesto, Martin, Ernesto, ” Nino Correa, Ernesto Morales, ”, Albert Bryan Jr Organizations: JUAN, Puerto Rico —, National Guard, Tropical, Atlantic, National Hurricane Center, British Virgin Islands, National Weather Service, Gov, Atmospheric Administration, NBC Locations: Puerto Rico, Puerto Rico — Puerto Rico, U.S, British Virgin Islands, Antigua, Barbuda, Anguilla, St, Kitts, Nevis, Montserrat, Guadeloupe, Barts, Maarten, French Caribbean, British Virgin, Puerto, San Juan, Virgin Islands, Bermuda