They are focusing their efforts in and around a quarry and surrounding woodland in Pinfold Lane in Alltami which is  the area in which her Renault Clio was discovered burnt-out on Thursday October 18th.

She has not been seen since around 8.40pm on October 12th when she was sighted on CCTV leaving Asda Supermarket in Queensferry.

Since then 46-year-old Clive Sharpe has been charged with her murder.

“Search still very much on-going”

Police say they are still very eager to trace the movements of Catherine’s Irish registered Renault Clio 00-D-99970 and Sharpe"s black Volvo S40 AG58-JHE between Friday October 12th and Monday October 15th.

Sergeant Neal Parkes is one of the Police search team.

"The search is still very much on-going and today our teams are focusing on some woodland in the south section of the search area" he said.

"The terrain is very difficult with loose shale, thick undergrowth and some very boggy and marshy areas and so we are taking our time ensuring safety as well as not missing any opportunity in discovering anything which may lead us to find Catherine" he added.

Jennifer Myren is senior reporter with The Leader newspaper in Wales.

She updated Lunchtime here on Newstalk.