A group of 140 senior doctors have written to David Cameron expressing concern over plans to close several accident and emergency units in west London.
In an open letter, the doctors said they have yet to see evidence that plans to centralise and downgrade A&E services are beneficial to patients.
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London Underground's offer was conditional on unions responding by 6.30pm tonight.
Luke Gutteridge was taken to court after dropping a piece of fruit the size of a 10 pence coin.
The offer includes a 2% rise this year and £2,000 for drivers on the new all-night service.