Detectives who tracked down a driver who caused the death of a 16-year-old - after knocking her off her moped - say if it wasn't for a tiny fragment of his car found at the scene, he would not have been caught. Martin Dowse reports.
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The RMT Union's comments come as it's announced a new operator will takeover the South West Trains franchise.
Monday's forecast for the west of the region
Monday's forecast for the east of the region