Pressure mounts on Putin as Ukraine crisis reaches a fever pitch
U.S., NATO and Ukraine brace for the worst amid fear Putin could order an invasion any time, and frantic efforts to negotiate a climbdown from the dangerous military standoff.
War in Ukraine
Sullivan says Russia could attack Ukraine "essentially at any time"
Sullivan said the U.S."cannot predict the precise day or time" Russia could decide to take military action against Ukraine.
Russian warship chases off U.S. submarine, Moscow says
The crew of the Russian ship "used appropriate means" and the U.S. submarine left at full speed, the Russian defense ministry said.
Russian false-flag plan prompts U.S. to plan for worst in Ukraine
The new granular information about Russia's plan was discussed in the Situation Room Thursday.
Biden warns Putin of "swift and severe costs" if Russia invades Ukraine
The warning from the president comes as U.S. officials say a Russian invasion could happen "at any time."
Ukrainian troops brace for possible Russian invasion
Fears are growing that Russia's war games in Belarus could soon become a reality. Imtiaz Tyab reports.
U.S. says Russian invasion of Ukraine could begin "at any time"
The Biden administration is urging Americans to leave as soon as possible, but definitely within 24 to 48 hours.
Poll: Americans say either stay out or side with Ukraine over Russia
A slight majority favor the U.S. stay out of negotiations around Russia and Ukraine.
State Department issues new advisory telling Americans to leave Ukraine
The State Department warned that the government would not be able to evacuate Americans if Russia invades.
Senate negotiations on "mother of all sanctions" bill against Russia continue as deadlines loom
But Senate Minority Leader Mitch McConnell told reporters he's "skeptical" it will deter Putin.
Russian drills with Belarus escalate Ukraine tensions
U.S. and European leaders met in Berlin to try and find a peaceful solution to end the Ukraine crisis as Russia stepped up war games in the region. Imtiaz Tyab reports.
War in Ukraine "would be a quagmire," British official says
James Cleverly, Britain's minister of state for Europe, warned that there will be a "huge loss of life" if Russia invades Ukraine.
Russia kicks off huge war games just over Ukraine's border in Belarus
But despite soaring tension and so-far fruitless diplomacy, one American in Ukraine tells CBS News he's not running scared, and nor are the Ukrainian people.
U.S. troops travel to Ukraine border to support NATO
The U.S. and Russia are building up their forces around Ukraine as the threat of war escalates. Charlie D'Agata reports.
NATO and Russia hold war games amid talks to deescalate Ukraine crisis
The U.S. and its NATO partners are still negotiating with Russia amid military buildups by both sides, but military preparations are not based on best-case scenarios.
NATO troops conduct military exercises near Russia
Both NATO and Russian forces are ramping up war games as leaders have so far failed to reach a diplomatic breakthrough to ease the standoff over Ukraine. Charlie D'Agata has the latest from Estonia, a NATO ally that shares a border with Russia.
Ukraine's military preps for potential invasion
U.S. and Ukrainian officials say up to 130,000 Russian troops are stationed along Ukraine's borders. CBS News foreign correspondent Imtiaz Tyab joins "CBS News Mornings" from Kyiv with how Ukraine's military is preparing for a potential invasion.
Amid diplomacy blitz, Russia says troops to leave Belarus after drills
Putin's forces will pull back from Ukraine's northern border, but only after exercises that will test U.S., European and Russian determination to avert all-out war in Ukraine.
Biden meets with world leaders as tensions rise over Russia
U.S. military officials are warning that Russia has amassed 70% of the combat forces it would need for a full-scale invasion of Ukraine. Meanwhile, President Biden met with the German chancellor to discuss the situation. Nancy Cordes has more.
Biden says there won't be a Nord Stream 2 if Russia invades Ukraine
German Chancellor Olaf Scholz didn't explicitly say whether Germany would terminate the pipeline being built to send gas from Russia to Europe, via Germany.
As Russia and U.S. add firepower, can a diplomacy blitz spare Ukraine?
Russian forces are set to hold war games in Belarus, with forces now just 30 miles from Ukrainian soil. But as the tension ramps up, so is the quest for a deal with Putin.
U.S. sends reinforcements to Ukraine
The U.S.'s 82nd Airborne Division touched down in Poland amid fears that Russia will launch an invasion of Ukraine. Charlie D'Agata reports.
Senior U.S. military officials in Poland
Senior U.S. military officials arrived in Poland on Saturday amid Russia's buildup of troops along Ukraine's border. Meanwhile, American troops are also in Germany and heading to the region to support NATO allies. CBS News correspondent Christina Ruffini reports from the White House and CBS News intelligence and national security reporter Olivia Gazis joins CBS News to discuss the latest.
Fears of a Russian invasion in Ukraine
Tensions have escalated as Russian forces are in their final stages to mount a full-scale invasion of Ukraine. President Biden is sending thousands of U.S. troops to Eastern Europe as a show of force as European allies continue to push for diplomacy, scheduling meetings with Russian President Vladimir Putin and Ukrainian President Zelenskyy next week. Christina Ruffini has more from the White House.
Ukrainian political analyst on Putin's threats
CBS News foreign correspondent Holly Williams reports from Kyiv, Ukraine, with the latest on the standoff with Russia. She sat down with Ukrainian political analyst Taras Berezovets to discuss why Russian leader Vladimir Putin is building up troops on the border and what his endgame may look like.
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