 Two people drowned in the American River on the border of El Dorado and Placer counties on Monday after attempting to swim across, the El Dorado County Sheriff's Office said. A 33-year-old man was pronounced dead at the scene. Crews performed life-saving measures on a 15-year-old boy who was later pronounced dead at a hospital, the Sheriff's Office said. A third person, another teen boy, survived and was medically evaluated at the scene before being released.