Tennis player Jamie Murray - the brother of British number one Andy Murray - was caught up in the queues at passport control on Thursday night.
He tweeted these pictures, estimating that there must be a couple of thousand people waiting in line.
He added the hashtag #thirdrunwayanyone?
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Clashes between rival supporters marred West Ham's EFL Cup fourth round win over Chelsea at the former Olympic Stadium
Damon Smith, 19, has been charged with making or possessing an explosive substance with intent to endanger life.
Photographer Jeffrey Milstein flew over the capital and took some pretty eye-catching images