stage four was a very wet affair, 27 laps around the yas marina grand prix circuit — it was always setfor a sprint finish. cavendish was beaten to the stage victory by the australia sprinter, caleb ewan, but he'd accumulated enough points to hang on the the green jersey. portugal's rui costa won the race overall. meanwhile world champion peter sagan won the second one—day classic of the season — the kuurne—brussels—kuurne race — but there was a good result for welsh rider luke rowe, in the black and blue of team sky, who finished in third place behind sagan. barry geraghty is out of the cheltenham festival due to injuries sustained in a fall at kempton yesterday for that he has ridden the winner at the last 15 festivals but he suffered broken ribs and a punctured lung. he was due to ride a horse trained by mcmanus. more sport on the bbc news channel throughout the evening. next, meet the author. sara baume has written a novel that deals with one of greatest contemporary problems, and perhaps her own experience too — the feeling of loss, maybe hopelessness, among young people who think