According to multiple reports, the Russian military is building a large contingency of armored vehicles on the Ukrainian border. This represents a possible escalation in the situation between Russia and Ukraine, which has already reached crisis levels.
Reuters, as well as other sources, is reporting the build-up is happening on the border of the Crimea region of Ukraine.
Pictures purporting to be from the Ukrainian-Russian border seem to confirm the reports:
Elsewhere, Russian troops are reportedly surrounding army bases in Simferopol, the capital of Crimea.
This photo purports to show this grouping of soldiers:
Experts on geopolitics are calling the conflict between Russia ad Ukraine, as well as the conflict it produces with the West and its possible consequences, have stated that the global tensions of this crisis are "worst than 9/11."