Police continue to investigate Zopiclone cases in County Durham
Six people have been released from hospital
Police are continuing to investigate the death of a man in County Durham in connection with potentially taking of a drug in Stockton
It's after seven other people were taken to North Tees General Hospital on Friday for treatment, following adverse effects of a drug called Zopiclone.
It can be used to treat insomnia - but officers initially said there could be a contaminated batch.
Six have now been discharged - whilst one remains for an unrelated issue.
Officers are continuing to investigate the death of one man on Wednesday 26 June where the cause of death is yet to be determined.
They say they will continue to engage with the community in and around the local area following the recent incidents.