Police and emergency service were called at 7:30pm on Friday evening to the scene of a two vehicle collision on the A689 eastbound between Greatham and Sappers Corner / Queens Meadows Business Park on the outskirts of Hartlepool.
The crash involved two vehicles with five occupants of the vehicles requiring medical attention from the North East Ambulance Service.
A spokesperson for North East Ambulance Service said: “We received a call at 7.32pm to reports of two vehicles involved in a road traffic collision on the A689.
“We dispatched four ambulances, a rapid response paramedic and a clinical team leader to the incident. We treated five patients before conveying to hospital.”
Cleveland Fire Brigade also attended these scene
A spokesperson for the Cleveland Fire Brigade said: “We got the call at 7.34pm.
“We had three appliances in attendance, one from Hartlepool, one from Stockton and one from Billingham.
“We administered first aid at the scene.
“Crews came away at 8.33pm. Police and the ambulance service also attended.“
The Eastbound carriageway of the A689 towards Hartlepool was closed from the A1185 Seal Sands Road to Seaton Lane Roundabout while collision investigators from Cleveland Police tried to piece together what exactly led up to the collision.
There was also a secondary four vehicle crash at the closure point near Greatham which officers from Cleveland Police quickly dealt with and recovered the damaged vehicles involved.
Cleveland Police would like to hear from witnesses that may have seen the initial crash or have dashcam footage to call force control on 101.