VISITORS who drove to one of Oxfordshire's most popular attractions returned to find thieves had targeted their cars.

In a Facebook post today, Thames Valley Police in West Oxfordshire said cars had been broken into at the 'Combe Gate Blenheim Palace.'

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This is thought to refer to the gate at Combe Lodge, leading to the World Heritage Site, where some people park for free and complete the journey into the grounds on foot.

An officer said that CCTV in the area is being reviewed.