Spanish police have arrested four people for alleged sanctions breaches for shipping chemicals to Russia that could have been used to make weapons or nerve agents.

The chemicals seized at the port of Barcelona that were bound for Russia Photo: Olaf

The four, including three Russians, were arrested in the Catalan cities of Barcelona and Girona and 13 tonnes of chemicals seized at the port of Barcelona in an operation codenamed “Test Tube”, according to Spanish police and the EU anti-fraud agency.