The Met Office has issued a yellow weather warning of ice across Greater London as the temperature is set to drop overnight.
The warning is in place from midnight until 8am on Sunday for London, the East of England, the West Midlands and parts of South Wales.
The weather service warned that areas of rain or sleet falling on frozen surfaces may lead to icy conditions and some injuries may result from slips and falls.
The temperature is expected to drop as low as -3° tonight in Greater London.
The Met Office added: “Rain or sleet is expected to spread from west to east across the area overnight, falling on to frozen surfaces and leading to icy patches, perhaps even where treatment has been applied.
“Keep yourself and your family safe when it is icy. Plan to leave the house at least five minutes earlier than normal.
“Not needing to rush, reduces your risk of accidents, slips, and falls. If you need to make a journey on foot or by bike, try to use pavements along main roads which are likely to be less slippery.
“Give yourself the best chance of avoiding delays by checking road conditions if driving, or bus and train timetables, amending your travel plans if necessary.
“Be prepared for weather warnings to change: when a weather warning is issued, the Met Office recommends staying up to date with the weather forecast in your area.”
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