OriginalTweet: @Independent @SimonCalder the video at the top of your article below says @HeathrowAirport has closed 1 of its 3 runways due to reduction in demand for flights.. surely LHR hasn't had 3 operational runways for many many years? https://t.co/RZXHmfWkn7 https://t.co/OnyC1nVvIX