Matt Spivey
Live page editor

Welcome to our live coverage, the US is bracing for a severe winter storm that could bring the heaviest snowfall and coldest temperatures since 2011 as 30 states have been put under weather alerts.

A state of emergency has been declared in Kentucky, Virginia, Kansas, Arkansas and Missouri.

Conditions on roads have already deteriorated, with poor weather leading to crashes involving lorries and cars, as well as a fire truck rolling over in Kansas, according to state highway patrol trooper Ben Gardner.

Parts of the US unaccustomed to severe cold, including Mississippi and Florida, have been warned to expect treacherous conditions.

As the storm moves east, millions more Americans will see record low temperatures, forecasters said.

We’ll be bringing you the latest updates as we get them, stick with us.