Officers using sonar equipment have carried out a search of the River Ouse and its banks by boat from Naburn upstream to York city centre. The river levels were still deemed too high to conduct an underwater search but police hope this will be possible over the next few days.
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There has been 14 cases of drug related overdoses in the last 24 hours, one of which resulted in the death of a 50-year-old man.
Balloons were released for teenage couple Chloe Rutherford and Liam Curry, while flowers have been laid for Philip Tron and Courtney Boyle.
33-year-old Shaun O'Connell, who lived in Throckley, died after a two vehicle collision on the A696 near Kirkwhelpington near Otterburn.