London Underground stations have closed more than a thousand times this year so far, with the worst affected stations all located in central London.
Transport for London (TfL) says factors such as a lack of staff, trespass and fire alarms being set off maliciously are among the causes of the unplanned closures.
Extreme weather, UK Power Network issues and problems with lifts and escalators are also listed as reasons.
In 2022 there were a total of 2,145 station closures across the London Underground network.
Nick Dent, TfL’s director of customer operations, said: "I’d like to apologise to customers who have experienced short notice closures. We do everything we can to avoid having to close a station and always work to minimise the length of time a station is closed for.
“The situation is improving and we have seen fewer closures this year than last year. We are also proposing changes that will help to reduce station closures by enabling us to deploy staff more flexibly, increasing reliability for our customers."
Here are the 10 worst affected Tube stations for closures in 2023 up to the end of August.