The west is keeping an eye on Russian troop movements and war games in Belarus. Around 3,000 additional US troops will be deployed in Eastern Europe. Russia has deployed more forces and fighter jets to Belarus as tensions with NATO continue to rise. Amid growing fears of a possible Russian incursion, NATO allies have substantially increased deployment. The extra troops ordered by Joe Biden will support allied forces in Germany, Poland and Romania. The EU and US have warned Russia against an invasion of Ukraine; and have threatened crippling sanctions. Watch the full video for more.