Capa da CNN de 22 h 30 minutos. 03/03/2014

United States suspends all military-to-military

 engagements with Russia, Pentagon official says. 

March 4, 2014 -- Updated 0055 GMT (0855 HKT) Edited by Sophie Brown in Hong Kong

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BREAKING NEWS

OBAMA WARNS PUTIN

Russia tightens grip on Crimea

• Russia consolidates hold on Crimea
• Ukraine reports new Russian troops movements
• Russia: We're stopping extremists
• Obama: Military moves are illegal

FULL STORY

• Ukraine: Latest news and reaction
• Obama: Crisis deeply troubling  
• Giving Putin a way out?  

UKRAINE IN CRISIS

• Crimea caught in a 'war of information'
• By the numbers: If war erupts
• Map of divisions | Share your story
• Russia: Action is appropriate  
• Ukrainians hope for peace  
• NEW U.S. fast-tracking sanctions
• Is Putin planning 'Soviet Union lite?'
• NEW Oil prices spike

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OPINION AND ANALYSIS

• 'Safety' for Russians or power grab?
• Opinion: Putin's move affects Mideast
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OPINIONS

Putin planning 'Soviet Union lite'

Is the Russian president trying to reconstruct the Soviet era with Ukraine as the cornerstone?

What will cost be to U.S.?

Negotiator says despots and dictators are watching to see the U.S. reaction on Ukraine.

• Tymoshenko: Apply strongest pressure