Russian President Vladimir Putin said that his country is prepared to fight against European nations, many of which are part of the North Atlantic Treaty Organization (NATO), in a comments to reporters on Tuesday.

NATO considers 'more aggressive' stance against Russia's hybrid warfare, including pre-emptive cyber operations, as tensions escalate over sabotage.

U.S. Secretary of State Marco Rubio was expected to miss Wednesday's meeting, which will unfold during high-stakes negotiations in Moscow and in Europe about Ukraine's future.

Editorial written by The Dallas Morning News Board. Since President Donald Trump took office, we have worried that he would leave the brave people of Ukraine to Russian leader Vladimir Putin’s brutal intentions.

As President Trump’s advisers continue their push to sell Russian President Vladimir Putin on a path toward ending the war in Ukraine.

Both sides describe talks as constructive but admit no compromise could be reached on the thorniest issue - territorial concessions

In Kramatorsk, Donetsk region, two women and two men were injured as a result of Russian shelling of a residential area on December 1st.

German Foreign Minister Johann Wadephul warns that intelligence shows Russia may attack NATO by 2029, citing Moscow's military buildup and economic shift toward war.

Ukraine has repeatedly rejected previous Russian demands to give up the regions of Luhansk and Donetsk – also known as the Donbas. Seizing all the territory remains one of President Putin's goals. Russian forces continue to advance there and now control some 85 percent of the Donbas.