Northumbria Police say they need more time to work out how an elderly couple died in their home in Heaton in Newcastle - but they believe no one else was involved.
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Five people have been killed and 40 injured after a car and knife attack in London on Wednesday.
Five people were killed and dozens more were injured after a car and knife attack in the capital on Wednesday afternoon.
The number of child sex offences recorded by police in Northumbria rose to 2,302 last year, an average of six a day.