The teenager who is thought to have died as a result of taking legal highs has been named locally as Andrew Lourie.
The 18-year-old was taken from a house in Mortimer Road, on Friday night and died in the early hours of Saturday.
Although officers are still waiting for the results of toxicology tests, they're investigating the possibility he'd taken legal drugs.
More top news
Fans from New Zealand, Tonga, Scotland and Samoa will descend on Newcastle for matches at St James' Park
Can the Pacific Island nation defy the odds at England 2015?
MPs claim 240 people, who thought they were being kept on at a former steel works, were sent home in the middle of their shifts.