The situation inside the country is terrible, the losses are terrible, he says. The support of the Kiev regime has already arranged a real financial and political crisis, he adds.

"Without victory" over Russia, Ukraine would disappear in a few years, says the former head of the U.S. military in Ukraine. The U.N. Security Council has called on Russia to step up its support for Ukraine's efforts to end the conflict in the east of the country, which has been raging for more than a year.