Hurricane Ernesto weakened into a tropical storm late Saturday as it moved away from Bermuda over open waters of the Atlantic after crossing over the tiny British territory early in the day with heavy rains and strong winds.Ernesto forced residents to stay indoors, and more than 23,000 people lost power, officials said. By late Saturday, the storm’s maximum sustained winds had decreased to 70 mph (110 kph). It was centered about 140 miles (225 kilometers) northeast of Bermuda and moving north-northeast at 8 mph (13 kph).The National Hurricane Center had warned of strong winds, a dangerous storm surge and significant coastal flooding for Bermuda.The center said 7 to 9 inches (17-22.5 centimeters) of rain was expected to fall on Bermuda. “This rainfall will likely result in considerable life-threatening flash flooding, especially in low-lying areas on the island,” it said.Due to the large size of the storm and its slow movement, …