"This investigation is at an early stage, however we have nothing to suggest that there is any threat to the wider community.
"I would urge anyone with information about the deaths to contact police on 101."
More top news
Often very windy, especially as we head into Sunday, with rain or showers. Met Office 'Be Aware' warnings have been issued
Here is our essential guide to all things Christmas in the North East.
Trainees work with life sized childbirth simulators