Summary
Two influential US lawmakers urged President Barack Obama on Friday to send lethal military aid to Ukraine, arguing that Russian aggression should be a "wake up call" to the West.
The new government in Kiev has sought military assistance from the United States after Russian forces invaded Ukraine's Crimean peninsula and absorbed it, sending regional tensions soaring.
Hawkish Republican Senators John McCain and Lindsey Graham, citing reports that Russian troops are massing near Ukraine's border, argued that President Vladimir Putin is issuing a threat that must be countered.
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