Poland arrests nine over alleged plot to sabotage Ukraine arms supplies

Nine are said to members of Russian spy ring that monitored railway lines and made plans to disrupt deliveries

Polish authorities say they have detained nine members of a Russian spy ring who they say were gathering intelligence on weapons supplies to Ukraine and making plans to sabotage the deliveries.

Six people have been charged with preparing acts of sabotage and espionage, and charges are being prepared against the other three.