A picture has been released of the family that died in a head-on collision near Grimsby.
David Cockburn, 48, his two daughters - Carley Ann Cockburn, 21, and Bethany Cockburn, 18 - and Bethany's daughter, Lacie Jade Stephenson.
A fifth family member has yet to be identified by police.
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Sunday will be bitterly cold with snow for most.