Three people have been arrested and two firearms seized following a pursuit between Muswellbrook and Scone on Tuesday in which shots were allegedly fired at police.
Officers from Hunter Valley Police District commenced investigations into alleged thefts of firearms from rural properties in the Upper Hunter Valley area.
Following ongoing inquiries, PolAir commenced following a Landcruiser about 5 o'clock on Tuesday afternoon, which was seen driving through Muswellbrook and Scone.
It followed reports it had allegedly been previously used in a number of thefts.
Kathryn Perchinski from Police Media said the vehicle was tracked to the car park of a fast-food restaurant on Kelly Street, Scone, when officers attempted to stop the them.
"The Landcruiser allegedly rammed a police vehicle before driving from the scene," she said.
"PolAir continued to follow the vehicle to Swinging Ridges Road, Willow Tree, when one of the occupants of the vehicle climbed onto the rear tray of the Landcruiser and allegedly discharged several rounds from a firearm.
"The Landcruiser continued to a station on Merriwa Road, Little Jacks Creek, where it entered bushland and the three occupants left the vehicle before fleeing into nearby bushland," she said.
"With the assistance of PolAir, officers located and arrested a man and two women in nearby bushland about 2.30am."