Snow and sleet showers hit the UK on Tuesday, but the Met Office has warned there is colder weather to come.
Wednesday is expected to be the chilliest day of the week, with northern areas waking up to temperatures of minus two degrees Celsius (28F). Coastal areas can expect more snow and sleet showers throughout the day.
The Met Office has issued a yellow severe weather warning for ice across much of the country.
The alert says that ice is likely to form on Wednesday morning, warning of the risk of falls on icy surfaces and ice on roads, pavements and cycle paths.
A Met Office spokeswoman said: “Northern Ireland saw some significant accumulations this morning, probably a few inches, then it pushed across Wales, central parts of England and towards the south east.