This does appear to be the case: > The RAF didn’t specify why it suspended flights, but a spokesperson said “the runway has not melted” as early media reports

This does appear to be the case: > The RAF didn’t specify why it suspended flights, but a spokesperson said “the runway has not melted” as early media reports indicated. https://www.cnbc.com/2022/07/18/london-flights-suspended-after-runway-damaged-during-heat-wave.html https://www.cnbc.com/2022/07/18/london-flights-suspended-aft...