Dan Calliste/getty images/file The entrance to Westminster underground station in London. CNN — Here’s some background information about the London Underground, also...
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Thunderstorms cause flash flooding in London, submerging roads and some train stations | CNN
![](https://cdn.cnn.com/cnnnext/dam/assets/210725184932-01-london-flooding-0725-super-169.jpg)
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Justin Tallis/AFP/Getty Images Thunderstorms flooded roads and parts of the Underground rail system in London on Sunday, July 25. CNN — Severe...
Kin Cheung/AP Senior Superintendent Steve Li , left, of Hong Kong Police National Security Department, and senior bomb disposal officer Alick McWhirter, right,...