Three teenagers are being sentenced for manslaughter over the killing of a man at a seaside resort. A girl and two boys lured Alexander Cashford, 49, to a beach in Leysdown-on-Sea, on the Isle of Sheppey, Kent, on 10 August last year. The three teenagers, who cannot be named for legal reasons, had exchanged messages with Cashford using an alias to arrange the meeting, believing he was a paedophile. A 16-year-old boy who threw a rock at Cashford pleaded guilty to manslaughter. The other boy and