There are still delays of up to 50 mins on trains in and out of Victoria Train Station after a fire on a train earlier on.
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The installation is the first in London by acclaimed British underwater sculptor Jason deCaires Taylor, part of the Thames festival.
Services through Kempton Park were suspended over the weekend due to an "obstruction on the line".
A leading sexual health clinic has apologised after mistakenly sharing the HIV positive status of hundreds of patients in an email.