Multiple people have died in a crash involving a police vehicle and a car, police have said.
The collision involved a police vehicle and a Volkswagen Passat on the A66 in South Bank, near Middlesbrough in Teesside, at about 03:39 BST, Cleveland Police said.
A spokesman for the force said: “Sadly, the collision has resulted in multiple fatalities.
“We are working to identify the victims and contact their families.”
The road remains closed in both directions between Normanby Road and Church Lane and the force said it would do so “for some time”.
It said there were still “significant emergency service vehicles” on the scene.
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