Detectives have launched an investigation into a series of vehicle thefts, attempted thefts and fires in Aberdeen.
Police Scotland said the incidents took place in the city between Thursday, August 10 and Friday, August 11.
The eight incidents happened at a number of different locations, including Sandilands Drive, Springhill Road and Holburn Road.
The force said one of the stolen vehicles, a Ford Transit van, was later found set alight in the Coast Road area.
A stolen motorbike was later recovered safely.
Officers are also investigating the fire-raising of a silver Audi car at Tullos Primary School.
It is believed they are connected.
Detective sergeant Chris Wilson said: “Our enquiries have established that a group of four or five individuals, dressed in dark clothing and balaclavas, were seen in the area of these incidents, and it is believed the stolen Ford Transit had been used to commit further thefts.
“An extensive investigation is ongoing and we are appealing for anyone with information to come forward.
“We are also keen to hear from anyone who believes they may have seen a Ford Transit and a silver Audi traveling in convey between August 10 and 11 as it may assist our enquiries.”
Anyone with information is asked to call police on 101, quoting incident 0043 of August 11.
Alternatively, people can anonymously call Crimestoppers on 0800 555 111.