The Met Office has issued a four day yellow weather warning after snow has brought most of the UK to a standstill.

Many schools are closed, flights are grounded and some train routes have been cancelled and the Met Office has warned there is more to come.

Overnight temperatures plummeted to as low as -12C in parts of England and in Scotland the mercury fell to as low as -15C.

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Another yellow weather warning issued for ‘freezing fog’ with a chance of flight and train delays on Monday

Southeastern said most of their routes are closed due to the wintry weather and they are warning commuters, “do not attempt to travel this morning.”

On Twitter, the Southeastern Railway said. “Because of the ongoing severe disruption on the network, please DO NOT TRAVEL this morning.

“Early morning services are being cancelled because of snow and ice on the track and we will not be able to provide a replacement bus service because of road conditions.”

London’s First snow in this year 2022. #londonsnow pic.twitter.com/dPv8MmFWnu

— faisal shah (@faisalshah303) December 11, 2022

A spokesperson said for Heathrow Airport said, “We encourage passengers to check their flight status with their airline for the latest information.”

The Met Office said, “Wintry showers will affect many areas of northern Scotland and parts of northeast England during this period.

A few reports of thundersnow around the region ⚡❄

Be careful if out and about in it, it can be quite dangerous pic.twitter.com/RuFnnPVwIj

— Sᴏᴜᴛʜᴇʀɴ ᴇɴɢʟᴀɴᴅ ᴡᴇᴀᴛʜᴇʀ✌️ (@LondonSnowWatch) December 11, 2022

“A few centimetres of snow are likely to accumulate at low levels with the potential for as much as 15-20 cm over higher ground. In addition, ice is likely to form on untreated surfaces, mainly where some of the showers fall as sleet close to coasts.”