..of what trump is blathering at the update currently on TV?

I can find this nowhere else, and the source is a little sketchy, but has anybody heard of this buildup occurring?

"Russia deployed nearly 90,000 troops, 1,100 tanks, 2,500 armored fighting vehicles, 1,600 artillery and missile systems, 340 combat aircraft and other weapons and equipment on the border with Ukraine.
"In total, about 87,000-90,000 servicepersons (in particular, more than 35,000 members of the 1st and the 2nd army corps) of the Armed Forces of Russia are stationed along the state border of Ukraine in the temporarily occupied areas of Donetsk, Luhansk regions and Crimea. There are also 1,100 tanks, 2,500 armored fighting vehicles, 1,600 artillery and missile systems, 340 combat aircraft, 240 combat helicopters, more than 50 ships/boats and 6 submarines,"

https://www.ukrinform.net/rubric-defense/2888352-russia-pulls-90000-troops-1100-tanks-hundreds-of-planes-to-border-with-ukraine.html