The NATO states of Poland, Lithuania, Latvia, Estonia, Norway and Finland have all been grappling with migrant flows coming from Belarus and Russia in recent years, movements they say represent a Moscow-Minsk weaponization of immigrants to destabilize Western governments and societies.

Russia launched a cross-border ground offensive into Ukraine's northeast Kharkiv region and civilians were being evacuated amid the fighting, Ukrainian officials said Friday.Ukraine said that it had repelled Russia's incursion but that "fighting of varying intensity" was ongoing and that Russia had launched aerial strikes into an area near the border.