One person is critically ill and five others are also in hospital after taking what police officers believe were illegal drugs bought over the internet.
Northumbria Police officers were called to the house at Ripon Gardens in Jesmond. They believe the six people, aged 19 to 22, took an hallucinogenic drug called 2CB.
More top news
More than 30 firefighters have been tackling a fire at a block of flats in Gateshead.
High pressure brings settled and warm weather.
Turkish defender Alim Ozturk has become Sunderland's first signing of the summer.