Police in Bognor and Littlehampton are warning drivers about a spate of vehicle break-ins in the area.
Cars and company vans with sign writing have been targeted while left in car parks or in the street during the daytime as well as overnight. The majority of items stolen from them are power tools.
PCSO Michelle Davies said: “There has been incidents of these being stolen whilst the driver has visited local hardware stores for only a brief amount of time.
“Please ensure you secure your vehicle and if possible remove any valuables or tools. Be vigilant and ring Sussex Police on 101 if you suspect suspicious activity is taking place. Contact your local officer through the Sussex Police website if you require security marking for tools or any other valuables.”