Euston train station in central London has reopened after being evacuated and closed due to fire alert.
The Northern and Victoria lines were disrupted due to the closure.
Euston station - Closed while we respond to a fire alert.— Victoria line (@victorialine) July 4, 2017
Meanwhile, Heathrow Airport's terminal 3 has been evacuated this afternoon, also due to a fire alert. Heathrow said an investigation had shown there was no fire in the terminal and it will shortly reopen.
Our teams have investigated and there is no fire in T3 despite the alarm. Passengers will be directed back into the terminal shortly.— Heathrow Airport (@HeathrowAirport) July 4, 2017