Kent Police are still helping drivers stranded in snow and ice.
The M2 is badly hit. The M20 eastbound is blocked after the Channel Tunnel closed overnight and motorists are urged to avoid the area. The A2 is impassable at Barham.
In some areas, drifting snow is reaching 10 feet in height.
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MPs have reacted to the news.
Theresa May is under pressure over Brexit and Heathrow.
Penny Wilson says her mother Sylvia Giffin was bullied after voicing her concerns.