Four people have been arrested over the theft of a national treasure tiara from an art gallery in Nottingham.
Three men aged 46, 38 and 33 and a 30-year-old woman were held on suspicion of burglary following police raids in Carlton, Cinderhill and Bulwell.
A large scale search is ongoing to recover the Portland Tiara and brooch, which were taken from the Portland Collection Gallery on the Welbeck Estate in Worksop between 9.45pm and 10pm on November 20.
Detective Inspector Gayle Hart said: This case has involved multiple lines of inquiry and were continuing to work hard on the case to secure justice for the victims.
The stolen property hasnt been recovered and we still want to hear from anyone who knows where the items might be.
Police believe a stolen silver Audi RS5 Quattro – registration KY61 USJ – was involved in the burglary.
Ms Hart added: It was stolen from the Phoenix Park park and ride tram stop, Millennium Way East, Cinderhill, Nottingham, on Friday 2 November 2018.
It was found abandoned and burnt out in Cross Lane, Blidworth, about half an hour after the burglary.
Did you see this car in the area around the time of the burglary or have dashcam footage of it? Did you see anyone in the car?
Were keen to trace this vehicles movements before the burglary so encourage anyone who saw it or who has any information to get in touch with us as soon as possible.
Anyone with information can call police on 101, quoting incident number 856 of November 20, or Crimestoppers anonymously on 0800 555111.