Alejandro Cao de Benós, leader of pro-North Korea group the Korea Friendship Association (KFA), has been arrested on arms trafficking offenses in the Spanish town of Tarragona, near Barcelona, local news agency Europa Press said on Tuesday.

The arrest, led by Spain’s Civil Guard, was part of a wider operation related to the trafficking of modified weapons, a sting that led to a total of ten arrests throughout the country.

Catalonian media outlet El Periodico said that four modified guns and 2,000 cartridges had been found at his family home.

However, it appears unlikely that the arrest has anything to do with his links to North Korea, one observer