A tug boat sank in the Tennessee River over the weekend, dumping thousands of gallons of diesel fuel into the water and closing beaches and parks in Alabama. After the boat sank it began to release somewhere between 3,000 and 5,000 gallons of diesel fuel into the river, police in the northwestern city of Florence said Sunday. Soon after, diesel fuel began washing up on the shore of the beaches at McFarland Park around 10 a.m. Sunday morning, police said. Authorities quickly began getting people out of the water, and continue to urge locals to avoid swimming and going on...