Police investigating the disappearance of Becky Watts have appealed for witnesses who may have seen a black Vauxhall Zafira in the "critical time period" when the 16-year-old went missing.
Detectives said they had already seized the vehicle, with the registration plate HY06 HYA, but wanted to piece together its movements between the morning of Thursday 19 February until Monday 23 February.
"The critical time period is from the morning of Thursday 19th February until Monday 23rd February.
"We are, however, keen to speak to anyone who saw this vehicle in the days either side of this."
Police said they were also keen to speak to any previous owners of the vehicle as a "matter of urgency".
Becky Watts' uncle speaks exclusively to ITV News following the arrest of two people on suspicion of her alleged kidnap and murder.
Here is what we know about the disappearance of 16-year-old Becky Watts.
Sam Galsworthy, uncle of missing Becky Watts, has spoken about the family's anguish as the search for her continues and they wait for news.