The Thanet South MP Laura Sandys has tweeted news of her decision to stand down at the next general election. The Conservative politician pledged to 'work tirelessly' for her constituency until she steps down.
Between now and 2015 I will continue to work tirelessly for Thanet and its residents - from community groups to personal cases
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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