Rush hour Tube delays on the Circle, Hammersmith & City and Metropolitan lines

 
Caitlin Morrison
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The delays are due to a signal failure at Kings Cross (Source: Flickr/munksynz)

There are severe delays on several Tube lines this morning, due to a signal failure at King's Cross station earlier today.

The Circle, Hammersmith & City and Metropolitan lines are affected.

On the Metropolitan line, there is currently no service between Baker Street and Aldgate.