Swimmers Warned About Dangerous Undertows, Rip Currents Four people have died and three vanished within two days at beaches in New York City and on Long Island, authorities said. At least three more have been rescued, they said. Officers were patrolling the waters off Coney Island Sunday in an attempt to search for a 10-year-old girl who went missing Saturday, CBS station WCBS-TV reported. Akira Johnson and her cousin Tyriek, 10, were playing in the ocean off West 23rd Street when they started to struggle in the water. People on shore yelled for lifeguards to help. "She's screaming, "There's kids...