Police are hunting a gang of five men who robbed a man of more than £10,000 in his own house.
Jewellery was also stolen in the raid in Forfar Road, Dundee, at around 8pm on Wednesday.
The 32-year-old victim was left shocked but uninjured, officers said.
The gang were wearing dark clothing and made off in a dark coloured BMW 5 series, which had an Irish registration plate.
The vehicle was last seen being driven westwards on the Kingsway in Dundee at about 8.20pm and a similar vehicle was then seen on the M90 at Broxden roundabout in Perth about 40 minutes later.
A police spokesman said: "Detectives are appealing for anyone who may have seen this vehicle in the Dundee area shortly before the crime, or after the crime, to come forward with any information that could assist with enquiries.
"Residents who may have noticed any suspicious people or activity in the area of Forfar Road are also asked to report this.
"Similarly police are keen to speak to anyone who may have seen a vehicle matching this description in the Perth area, including the M90 or A9 at around 9pm.
"It is possible that the vehicle was being driven erratically or at speed.
"Anyone who has information should contact Police Scotland on 101 or speak to any officer."
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