Severe weather is causing major travel disruption across the UK and Ireland as the “Beast from the East” tightens its grip.
Road closures, stranded vehicles and cancellations are widespread due to snow and ice.
Services on trains and planes are disrupted, with travellers urged to check with their transport provider before setting off on their journeys.
The highest level of weather warning has been issued for Scotland and Ireland as forecasters warn of “blizzard-like” conditions.
Rail passengers have been warned to avoid travelling to or from Scotland for the rest of Wednesday or Thursday.
Meanwhile, hundreds of schools across Britain have been closed for a second day.
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Forecasters predict the snow and freezing temperatures will not be letting up any time soon, prompting the Met Office to extend some of its weather warnings.
Rail companies warned delays may continue into Friday.
British Airways said the weather was likely to continue disrupting flights throughout the week.
From Thursday, forecasters predict that another weather system, Storm Emma, will bring blizzards, gales and sleet as it meets the chilly “Beast from the East” later this week.
The storm, named by the Portuguese Met Service, will move north through Europe and is due to hit the UK on Thursday and Friday, and will be “significantly disruptive”, bringing the risk of power cuts and transport delays.
Additional reporting by agencies