The driver of one of the Russian trucks in the aid convoy opens the awning of the vehicle for a border check in Donetsk - 20 August 2014
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Border guards prepare to inspect Ukraine convoy

Ukrainian border guards are preparing to inspect the first trucks from a huge Russian aid convoy heading to the rebel-held east of the country.

The controversial convoy is due to deliver medical and food aid to civilians as heavy fighting continues in eastern Ukraine.

Russell Trott reports.

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