Four people have been taken to hospital following a two vehicle crash in Northumberland.
Emergency services and the air ambulance were called to the A696 in Milbourne, near Ponteland, shortly before midday on 23 September.
Two people from one car, a man, 58, and a woman, 49, were taken to hospital with serious life threatening injuries.
A man, 77, and a woman, 65, from the second vehicle were also taken to hospital with serious non-life threatening injuries.
A NEAS spokesperson has said: "We received a call to 999 at 11:55 this morning to reports of a two vehicle road traffic collision on the A696.
"We sent three emergency ambulance crews, a clinical team leader, our Hazardous Area Response Team and two air ambulance helicopters.
"In total four patients have been taken to the Royal Victoria Infirmary with multiple injuries.
"Two were transported by air and two by road."
An investigation has been launched, and enquiries are ongoing to determine the circumstances of the collision.
Sergeant Russ Surrey from Northumbria Police said: “We are working hard to determine exactly what happened in the moments before this serious collision.
“Four people have been hospitalised and our thoughts are with them and their families and we wish them a full recovery."
Northumbria Police are asking anyone who might have seen what happened, or have dashcam footage from the area, to get in touch.
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