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Two Russian armored personal carriers roll near the border with Ukraine outside the Russian town of Donetsk in Rostov-on-Don region, Sunday, July 13, 2014. Russia's foreign ministry said Sunday that a Ukrainian shell hit a town on the Russian border, killing one person and seriously injuring two others. But Ukraine denied firing a shell into Russian territory. (AP Photo/Sergei Pivovarov)
Two Russian armored personal carriers roll near the border with Ukraine outside the Russian town of Donetsk in Rostov-on-Don region, Sunday, July 13, 2014. Russia's foreign ministry said Sunday that a Ukrainian shell hit a town on the Russian border, killing one person and seriously injuring two others. But Ukraine denied firing a shell into Russian territory. (AP Photo/Sergei Pivovarov)

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Pentagon: Russia sending more weapons

The Pentagon says Russia is getting ready to send more powerful weapons into Ukraine. CNN's Barabara Starr reports.

Pentagon: Russia sending more weapons

The Pentagon says Russia is getting ready to send more powerful weapons into Ukraine. CNN's Barabara Starr reports.