London Underground says that up to 5,000 people are at work under London's streets every night to work on maintaining the tube network. These essential works mean that the tube cannot run 24 hours a day.
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The clinic has apologised for the human error that resulted in the private health information of HIV patients being leaked.
The multi-millionaire strip-club owner defended his policy of taking 23% of the service charges made by waitresses in his bars.
The installation is the first in London by acclaimed British underwater sculptor Jason deCaires Taylor, part of the Thames festival.