The latest two sets of remains found along a New York beach highway are human, US authorities said today, bringing to 10 the number of bodies found in a search for victims of a suspected serial killer.

AN Irishman is leading the investigation into a suspected serial killer following the discovery of eight bodies buried on a Long Island beach in the north-eastern state of New York.

The number of victims of a suspected serial killer on New York's Long Island has doubled in the past week after the discovery of three more corpses along a remote beach highway.