Hundreds of thousands of commuters faced a second day of frustration as a 48-hour tube strike continued to wreak havoc on London's transport system.
Fog and train delays added to the misery depriving many travellers of alternative ways to get to work. A broken down train disrupted mainline services into Paddington adding to the pressure on an already overcrowded commuter route.
Early morning fog on the Thames forced the cancellation of Transport for London's river services.
The RMT accused tube managers of putting passengers at risk by allowing stations to become "dangerously overcrowded"
But London Underground hinted at a weakening of support for the industrial action by claiming all 11 tube lines were open for the first time on a strike day.
Four tubes, the Central, Jubilee, Northern and Victoria were reported to be running trains along the entire length of the line.
London mayor Boris Johnson signalled his determination to defeat the RMT: