POLICE are urging residents to be aware after suspicious markings were spotted.
Sgt Neil Hughes, of the South Flintshire policing team, said markings in the shape of circles and crosses are appearing on walls throughout the Gwernaffield area.
He added: "The markings are made up of powder. We sometimes get markings used by distraction burglars to identify possible vulnerable targets.
"These don't fit those markings so we don't know what they are but they are suspicious enough for us to put a bulletin out."
Anyone with information or concerns can contact police on 101 or via the live webchat quoting reference W158001.
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