Officers on board one of the Metropolitan police's helicopters has taken these stunning pictures of London today as parts of the UK are hit by fog:
Those who thought the last image was Canary Wharf are wrong (it looks like this...) http://t.co/i7u7x0BIkp
The Shard peeking out of the London fog this morning. St Paul's sits below http://t.co/bEePNxzXrd
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.
Fog at Heathrow may slow the trip home http://t.co/FhfFsnLPjl
Fog at Heathrow but still, about to take-off. Next stop: Kiev, Ukraine! http://t.co/bY0rF4faqO
British Airways has tweeted that fog is causing delays and some cancellations at Heathrow Airport.
Fog is causing delays & some cancellations at London Heathrow today. Please check your flight details here http://t.co/aZ9bu1grmm