Two people have been arrested in connection with a criminal investigation into the death of a child.

Emergency services were called to Frosterley Drive in Darlington at 9am on Friday morning and the youngster was taken to Royal Victoria Infirmary in Newcastle in a critical condition.

Durham Constabulary has today confirmed the child has since died and a man has been arrested on suspicion of murder.

A woman has also been arrested on suspicion of causing or allowing serious injury to a child.

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A police spokesperson said: “Sadly, the child died passed away this afternoon.

“A man in his 30s has also been arrested on suspicion of causing or allowing serious injury to a child, and has been further arrested for murder.

“A woman in her 40s has been arrested on suspicion of causing or allowing serious injury to a child.”

“Both remain in police custody while further inquiries are carried out.”