Police are appealing for help to find out more about the movements of John Roberts from Winlaton prior to his death.
The 32-year-old was found dead in Gateshead this morning with serious head injuries.
Police are asking for anyone with information to come forward.
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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.