Mick Cash, from the RMT Union, says that he does not believe that Londoners want fundamental freedoms - such as the right to strike - to be eroded.
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Tube delays sparked by overcrowding have more than doubled since 2013, according to figures obtained by the Liberal Democrats.
Officials at Transport for London have said sorry after a bus driver left a disabled passenger stranded on the roadside.
Detectives are hunting two thugs armed with wooden stakes who left a man with multiple head fractures in a vicious attack.