The runway at Stansted Airport has been busy this morning, but it was runners, not planes, taking off.
The 5 kilometre charity run was organised to raise money for the Essex and Hertfordshire Air Ambulance Trust.
It started at 3.30am and finished at about 5.00am; it is the first time the runway has been shut off for an event like this.
It follows Stansted Airport naming the air ambulance as its Charity of the Year.
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After what's been the hottest day in the region for almost 10 years there are warnings tonight about the dangers of swimming in open water.
Today was the hottest day of the year so far but temperatures will be down a little tomorrow with the risk of thunder.
A sizzling day for the Anglia region with temperatures rocketing into the mid 30's.