Hurricane Elsa is racing towards Haiti and the Dominican Republic, where it threatens to unleash flooding and landslides before taking aim at Cuba and Florida.The Category 1 storm was located about 395 miles east-southeast of Isla Beata, Dominican Republic, and was moving west-northwest at 29mph on Saturday.It had maximum sustained winds of 80mph, with the hurricane expected to become a tropical storm after hitting Cuba, according to the National Hurricane Centre in Miami.