The investigation is ongoing and further updates will follow.
A male aged in his 50s arrested as part of this investigation has been released without charge.
A search operation on open ground at a location near the Wicklow/Kildare border is continuing.
The investigation is ongoing and further updates will follow.
Kfm understands that the man has been a person of considerable interest to investigators and provided a statement to gardaí shortly after Ms. Dullard vanished.