World Series of Darts Finals: England's Ross Smith beats Gerwyn Price bbc.co.uk Littler's bid for PDC major clean sweep ended by Clayton RTE.ie Luke Littler clean sweep bid thwarted before Ross Smith triumphs in Amsterdam The Independent Darts results: Luke Littler's hopes of an unprecedented clean sweep of majors is ended by Jonny Clayton Sporting Life World Series of Darts Finals: Leg-by-leg updates and reaction from Amsterdam as Ross Smith wins title and Luke Littler crashes out in last eight