Flights were suspended at Britain's Luton airport on Monday due to a runway defect discovered following high temperatures across the country.
"Following today's high temperatures, a surface defect was identified on the runway. Engineers were called immediately to site and repair works are currently in progress to resume operations as soon as possible," the airport said in a statement on Twitter.
The airport is used by airlines including EasyJet, Wizz Air, Ryanair and TUI.

Father and son reported behind Bondi shooting that killed 15
Shooting at Australia's Bondi Beach kills 12
Police hold person of interest after Brown University shooting leaves two dead
Hamas says Israel's killing of senior commander threatens ceasefire
Ukraine's Zelenskyy ditches NATO ambition ahead of peace talks
