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Spanish police arrested four members of a "travelling criminal group" implicated in 25 property crimes across the country.
The group, based in Nice, France, used a motorhome to target affluent areas and tourist hotspots in regions such as Valencia, Andalusia and the Balearic Islands.
The investigation began in September following a safe theft in Elche, Alicante, where €8,800 was stolen.
Police linked the suspects to various thefts, including €60,000 from an armoured van in Ibiza, with total economic damage estimated at nearly £174,000.
During their arrest, officers seized €24,000 in cash, electronic devices, and jewellery hidden within their motorhome.