A woman has died after a car being pursued by police crashed into another vehicle in Essex.
The passenger died at the scene on Friday, Essex Police said.
Officers had been chasing a vehicle which failed to stop shortly after 2.30am on the A13 at the request of the police.
The vehicle being pursued by police then collided with another resulting in the death, police said.
The force did not provide an age of the victim or a description of the vehicles.
Essex Police said they are working with the Metropolitan Police Service, which is leading the response to the incident, and there has been a mandatory referral to the police watchdog, the Independent Office for Police Conduct (IOPC).
Chief Superintendent Stuart Hooper, Gold Commander of Essex Police, said: “Just after 2.30am this morning, Friday 25 November, a vehicle failed to stop when requested by officers on the A13 in Essex.
“Officers then stayed close to this vehicle as it was traveling on the A13 near Rainham.
“The vehicle was then involved in a serious collision with another vehicle.
“Despite the best efforts of the officials and paramedics on site, a passenger in the second vehicle has now died.
“We are currently working with our colleagues in the Metropolitan Police Service who are leading the incident response at this stage.
“Where appropriate, we have made a mandatory referral to the Independent Office of Police Conduct, which has announced an independent investigation.”