A workman was taken to hospital after suffering head and arm injuries in a fall at a site on Sunday.
The man is believed to have plummeted around 20 feet onto concrete in the Perth incident.
Scotland’s Charity Air Ambulance rapid response vehicle rushed to the scene from its base at Perth Aerodrome.
An SCAA paramedic assisted Scottish Ambulance Service personnel prior to the man being transferred to Dundee’s Ninewells Hospital.
The exact nature or seriousness of his injuries is not known at this stage.