Russia demands explanation from Poland over arrest of citizens -RIA

Russia has demanded an explanation from Poland over its arrest of Russian citizens, state news agency RIA reported on Friday, citing Foreign Ministry spokeswoman Maria Zakharova.

Earlier, Polish prosecutors announced the detention of a Russian ice-hockey player on spying charges, describing him as the 14th person to have been arrested from one espionage network.

The player and his team have not been publicly identified.