London Fire Brigade has confirmed the alarm has been triggered, but there is no sign as yet of any fire.
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A British Transport Police officer said his broken nail amounted to assault but failed to offer any evidence to explain how it happened.
Zac Goldsmith lost his Richmond Park seat in a shock defeat to the Liberal Democrats.
A woman has been jailed for over two years for crashing into a car and killing a man while trying to send a birthday message on Facebook.