Three vehicles were broken into within the space of two hours in Portstewart in the early hours of Wednesday morning, police say.
All three cars were parked in either the Cappagh Avenue area or the nearby Cromie Park area - both residential locations accessed via the Agherton Road.
Police are reminding the public not to leave "valuables of any kind in unattended vehicles".
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A spokesperson for the PSNI said: "Police are appealing for information after a report of three vehicles being broken into in Portstewart in the early hours of this morning, Wednesday, 14th June.
PSNI Inspector Craig said: “Shortly before 7am this morning, it was reported that an Audi Q5 parked in the Cappagh Avenue and a Renault Megane and a Citreon C1 parked in the Cromie Park area were broken into. A number of items were taken from the Audi and nothing has been reported missing from the either two cars.
“It is believed that these incidents happened sometime between 9pm on Tuesday evening and 7am this morning.
“Our enquiries are continuing but we are currently investigating a possible link between these incidents within the Portstewart area."
Inspector Craig continued: “I would like to take this opportunity to remind the public never to leave valuables of any kind in unattended vehicles, and always make sure that your vehicle is locked before walking away.
“Please don’t make it easy for the opportunistic thief, particularly with warmer days at present and car windows being left open."
The officer added: “We would appeal to anyone with any information about these incidents or who saw anything suspicious in the areas of either incidents to contact police on 101, quoting reference number 276 14/06/23.
"Alternatively, information can also be provided to the independent charity Crimestoppers on 0800 555 111.”
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