Long Lines Form Outside of London's Heathrow Airport

Travelers waited in long lines outside of Heathrow Airport in London, United Kingdom, on Sunday, July 3.

Delays and cancellations have left passengers waiting as reported disruptions affected summer travel.

Video posted by Twitter user @moronsbpr shows a growing line of travelers outside Heathrow Airport on Sunday morning. Credit: @moronsbpr via Storyful

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