BARCELONA/MADRID >> Spanish police, soldiers and park rangers are racing to identify wild boars that might be infected with African swine fever and prevent the disease from crossing into the country’s domestic herd, which is central to its multi-billion-euro pork export industry.

Operatives are using drones, infrared technology and sniffer dogs to find any boar carcasses for testing, as well as sealing off the areas around animal tracks under highways and pipework to prevent live animals moving into other areas of the countryside.

Police have been stationed and have posted signs to turn visitors away since the weekend around Barcelona’s Collserola mountain range, a popular attraction for walkers, cyclists and joggers from the city. Those who live inside the park were told to keep dogs on

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