A 16-year-old boy was detained on suspicion of assault. (Getty Images)

A 15-year-old girl was tragically stabbed in the Priestpopple district of Hexham, and a teenager has been arrested on suspicion of murder, according to Northumbria police.

The ambulance service notified officers shortly after 5:10 pm on Friday of a complaint of a teenage boy and girl hurt in a suspected assault, as per police reports.

Police added that when emergency personnel arrived at the scene, they discovered that the youngsters had received injuries consistent with those caused by a bladed tool.

Northumbria police said in a tweet: “They were both taken to hospital, with the girl’s injuries described as life-threatening."

#UPDATE A murder investigation has been launched after a 15-year-old girl tragically died following a suspected assault in #Hexham.
Shortly after 5.10pm on Friday police were alerted by ambulance service to a report of a teenage boy & girl injured in the Priestpopple area
1/5 pic.twitter.com/XDXCQZm8sL
— Northumbria Police (@northumbriapol) January 28, 2023

“Sadly, despite best efforts of hospital staff, the girl passed away later that evening. The boy suffered serious, non-life-threatening injuries and remains in hospital. Both of their families are being supported by specially trained officers at this devastating time,” the police added.

A 16-year-old boy was detained on suspicion of assault and, ultimately, murder. He is still in police detention.