Free wi-fi at some London Underground stations is to continue for the rest of the year.

BBC: Free London Underground wi-fi extended

Another 20 London Underground stations have come online thanks to Virgin Media's WiFi service on London Underground.

ENGADGET: PSA: Virgin Media extends London Underground WiFi again, aims for 120 stations by early 2013

Rauf wrote that after conducting the surveillance, it was decided to attack trains at four London Underground stations.

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London Underground and Virgin Media have named the first London Underground stations that will be WiFi enabled for free this summer.

ENGADGET: Virgin Media names the first 80 tube stations to get WiFi hotspots

Adverts encouraging people to invest in east Kent are appearing on London buses and at underground stations.

BBC: East Kent Grow For It campaign promotes investment

The London Underground plays classical music in some stations to create a more crime-free environment, says a spokeswoman for transport for London.

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While the London Underground has been made more accessible in recent years (more than 60 stations out of 270 are now step-less between the street and the platforms), many Tube stations still present challenges for the disabled due to gaps between the platform and the carriage door.

BBC: London for disabled visitors