Rescuers found a body in rough seas following an extensive search Saturday off the coast of southeast England, as Britain faced a second straight weekend of wild winter weather and flooding. The body was discovered by a lifeboat from the Royal National Lifeboat Institution and brought to shore, a spokesman for the local coast guard said. The RNLI, with the assistance of police and a Royal Navy vessel, had scoured the sea near Margate starting before dawn after a distress call reporting a man overboard.