Matthew now a powerful Category 4 hurricane

MIAMI - Hurricane Matthew has rapidly strengthened into a powerful Category 4 storm, and a hurricane watch has now been issued for Jamaica.The U.S. National Hurricane Center in Miami says Matthew is packing top sustained winds of 140 mph (220 kph) after gaining new strength Friday over the central Caribbean. The storm is located about 75 miles (120 kilometers) north of Punta Gallinas, Colombia, and about 465 miles (750 kilometers) southeast of Kingston, Jamaica.The center says that as of 5 p.m.