
Tensions are high on Ukraine's border with Russia. Here's what you need to know
CNN
Tensions between Ukraine and Russia are at their highest in years, as a Russian troop build-up fuels fears over Moscow's intentions. Here's a breakdown of a complex situation.
Ukraine has warned that Russia is trying to destabilize the country ahead of any planned military invasion. Western powers have repeatedly warned Russia in recent weeks against further aggressive moves against Ukraine.
The Kremlin denies it is planning to attack and argues that NATO support for Ukraine -- including increased weapons supplies and military training -- constitutes a growing threat on Russia's western flank.

Oklahoma’s governor picks energy executive Alan Armstrong to fill US Senate seat through end of year
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