Thick fog has caused delays for thousands air passengers. Poor visibility led to 40 flights being cancelled at Heathrow airport. At London City Airport in Docklands nearly every early-morning service was either delayed or cancelled.
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The man is believed to have suffered a fractured cheekbone.
The man, who was in his 30s, has not been identified, while several other people are believed to have suffered serious injuries.
If you're dreading going to work Monday morning, how about this for a career change.