Latest News Wires Why Poland and Russia are expelling each other's diplomats

Poland expelled Russian diplomats for spying. Russia retaliated by sending four Polish diplomats home. 

By , Associated Press

(AP Photo/Czarek Sokolowski)

Russian and Polish officials confirmed Monday that they have carried out tit-for-tat diplomatic expulsions in an espionage affair that highlights intensified efforts by Moscow to penetrate NATO counties and a new determination by the West to fight back.