West voices its concern over Russia's military build-up on Ukrainian border ahead of Biden call with Putin - Sky News

West voices its concern over Russia's military build-up on Ukrainian border ahead of Biden call with Putin  Sky NewsUS says it will send troops to eastern Europe if Russia invades Ukraine  The GuardianWestern leaders urge Russia to lower Ukraine tensions  BBC NewsFactbox: Ten points of tension between Putin and Biden  ReutersBeyond Ukraine, plenty of issues for Biden-Putin talks  The IndependentView Full coverage on Google News