U.S. threatens Russia
New warnings against Russia in the wake of developments in Ukraine launched today by U.S. Secretary of State John Kerry .
It transmits to Reuters, Kerry condemned Russia for its " incredible aggression " with respect to Ukraine and threatened to "very serious consequences" from the U.S. and other countries.
Consequences as highlighted will include economic isolation of Russia .
You can not in the 21st century to behave like they're in the 19th and invade a country in this way , said Kerry TV channel CBS.
However , Kerry added that Russia still has flexibility to make the right decisions that will de-escalate the crisis in the region .
" No comment " was the reply of the representative of the Kremlin Dmitry Peskov when asked to comment on the statements Kerry .