Russia despatched its own aid convoy of nearly three hundred lorries to eastern Ukraine where pro-Russian rebel fighters are.
Kiev and Western governments warned Moscow against any attempt to turn the operation into a military intervention by stealth in a region facing a humanitarian crisis after four months of warfare.
ITV News Europe Editor James Mates reports:
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Highs of 23C at best in the afternoon sunshine but feeling cooler in the mornings and the evenings.