- 45 updates
Yesterday's industrial action had a knock-on effect on the roads. The Metropolitan Police Service Helicopter released this picture of gridlock in Trafalgar Square last night.
The conciliation service Acas said in a brief statement:
RMT leader Bob Crow said:
Talks aimed at resolving the London Underground dispute will be held on Friday, but the strike will continue until tomorrow evening, Press Association sources said.
Union leader Bob Crow has suggested that those who want to ban strikes would be acting like "Hitler before the war".
Mayor of London Boris Johnson said a change in the law was needed to curb strikes, with some suggesting a 50 per cent minimum threshold in ballots for industrial action would help prevent disruption.
London commuters have faced major disruption with two-thirds of Tube services suffering as a result of the strikes.
There were ample warnings of travel chaos, but many had no choice but to brave a long and frustrating journey to work.
Luke Hanrahan joined one commuter whose half an hour journey turned into a four hour slog.
Members of the public posted pictures of Stratford Station on Twitter this morning, after overcrowding led to it being evacuated.
It was a frustrating commute for millions this morning - as the two sides in the dispute argued over the impact of the industrial action.
London Underground insisted two thirds of its stations were open - while union leaders claimed the network had been reduced to a skeleton service.
Our Political Correspondent Simon Harris explains.
Latest ITV News reports
Transport for London are operating a limited service on most tube lines, but they advise to check before you travel.
Union leaders were under pressure tonight to call off the strike after it emerged new peace talks would take place on Friday.