A fog warning has been issued across much of England.
The Met Office said fog, dense in some areas, could cause travel disruption on this Remembrance Sunday, including delays and possible cancellations.
Slower journey times to bus and train services and flight cancellations are possible as a result of the inclement weather, the service said.
The Met Office said the “widespread” fog has reduced visibility to less than 50 metres in places.
It added: “Fog will slowly lift and clear during Sunday morning; likely slowest across parts of the West Country and central southern England.”
The warning area extends from Portsmouth to Manchester.
Areas in the East Midlands, East of England, London and South East England, South West, North West, West Midlands, and Yorkshire and the Humber are all at risk of heavy fog.
And in Wales, Flintshire and Wrexham are under a yellow warning.

In some places, the fog is expected to linger into the early afternoon.
The Met Office has also issued guidance to avoid delays.
It urges Britons to check road conditions if driving, to leave extra journey time, or change plans if necessary.
It added: “Make sure you know how to switch on your fog lights, and check they are working before setting off on your journey.
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“Bus and train services, as well as flights and ferry travel may also be affected; check for updates from your travel company and follow their advice.”
As the fog clears up, Britons can enjoy “bright autumnal sunshine” on this Remembrance Sunday, according to The Met.
It added: “Showers continue near Irish Sea and North Sea coasts, while rain and drizzle fade in northern England.
“Brighter for many, though locally chilly where fog persists.”
The yellow warning follows the closure of the M20 after a massive 30-vehicle pile-up caused by heavy fog.
One user on social media said the fog had been “incredibly thick along some roads here in Kent this evening”.
He added: “One road was shut near Monkton in East Kent due to extremely poor visibility.”
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