Police have confirmed that the matter has been referred to the Independent Police Complaints Commission.
It is understood this relates to the fact that police were in pursuit of a car before the fatal collision.
More top news
Joanne Adam needed a new liver, bowel, pancreas, and stomach, including her small and large intestine, after a rare tumour was discovered.
Freezing with ice, rain, sleet & snow
A new statue of Argentine football legend Diego Maradona has been unveiled in Kolkata, India.