North Wales Police are appealing to anyone who has left a flooded property in the Garford Road area of Rhyl to stay with relatives or friends to contact them immediately.
Emergency service are about to begin a search of affected properties in the area in an effort to account for all residents.
The number to call is 01492 518383.
More top news
We visit a Conwy school which has family classes for parents and pupils together - and encourages them to take learning home.
Wales is set to get a new pro cycling team after plans are revealed to launch We Are Wales Pro Cycling for 2016 season.
A yellow warning of ice and snow has been issued by the Met Office. It covers many parts of Wales from 18:00hrs tonight.