A delivery driver has been robbed of his van after he was threatened by a man holding what appeared to be a firearm.
The victim was in Oronsay Avenue in Port Glasgow, Inverclyde when the incident happened at around 11.30pm on Saturday.
The suspect, who was wearing a scarf over his face, demanded the driver get out of his vehicle, a Mercedes Sprinter van with Mortons Rolls livery on the side.
The driver did as he was told and ran off, badly shaken by the incident but not injured.
The van was driven off in the direction of Rona Avenue, Port Glasgow.
Shortly after midnight officers were made aware of a vehicle fire in Pladda Fields near Arran Avenue, which is believed to be the stolen vehicle.
Police said it will be examined for any forensic evidence and have appealed for information about the incident.
Detective Inspector Robert Bowie said: “We are in the process of checking CCTV footage for any additional information on the incident and the occupants of the van.
“I am appealing to local residents in Oronsay Avenue and near to Pladda Fields, Port Glasgow to contact us if they saw or heard anything from their homes.
“In particular, if anyone saw a light-coloured vehicle being driven around these areas during the hours noted.
“Also, if you have dashcam or private CCTV, please do contact us.
“Any small piece of information could prove vital in our inquiries as we work to establish the motive of this crime.”