Russia's paying a 'severe cost' in thousands of casualties for its new attacks and has so far gotten nothing in return, US says

• Russia is two months into its renewed offensive in eastern Ukraine, but it's taking heavy losses.
• New US intel shows Moscow has suffered over 13,000 casualties and lost hundreds of combat vehicles. 
• The bleak assessment comes amid some uncertainty over future US military support for Ukraine. 

Russia has suffered very heavy casualties during its two-month-long offensive in eastern Ukraine, and hasn't made any strategic territorial gains to show for its losses, according to newly downgraded US intelligence.