Magistrates in Prestatyn granted officers a 36-hour extension this morning to question a 46-year-old man from Gwynedd on suspicion of Caroline Gowing's murder.
He is known to frequent the New Brighton area and is known to Ms Gowing, who disappeared last Friday.
More top news
Two people have been arrested after a car crashed into pedestrians in Marbella.
A missile launched by North Korea has landed in the Sea of Japan, according to the Japanese Government.
A band of thundery rain moves northwards overnight.