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A Russian border guard opens a gate into the Ukraine for the first trucks heading into the country from the Russian town of Donetsk, Rostov-on-Don region, Russia, Friday, Aug. 22, 2014. The first trucks in a Russian aid convoy crossed into eastern Ukraine on Friday, seemingly without Kiev's approval, after more than a week's delay amid suspicions the mission was being used as a cover for an invasion by Moscow.(AP Photo/Sergei Grits)
A Russian border guard opens a gate into the Ukraine for the first trucks heading into the country from the Russian town of Donetsk, Rostov-on-Don region, Russia, Friday, Aug. 22, 2014. The first trucks in a Russian aid convoy crossed into eastern Ukraine on Friday, seemingly without Kiev's approval, after more than a week's delay amid suspicions the mission was being used as a cover for an invasion by Moscow.(AP Photo/Sergei Grits)

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Questions return with Russian convoy

Ukraine is accusing Russia of transporting military supplies back to Russia masquerading as a humanitarian convoy.

Questions return with Russian convoy

Ukraine is accusing Russia of transporting military supplies back to Russia masquerading as a humanitarian convoy.