Ukrainian military official earlier said that the arrival of such ‘aid' coincides is usually followed by intensified militant attacks on Ukrainian positions along the front line.

Meanwhile, according to Russia's Emergencies Ministry, the trucks are carrying humanitarian aid for people in Ukraine's Donbas, according to Ukraine Today.

Ukrainian authorities stress that any convoy entering the Ukrainian territory without permission of official authorities are illegal. Besides, Russia disregards international law.

The previous convoy arrived in Ukraine just a week ago, on July 23.

See unian.info’s video section for more of the latest news from Ukraine in video from Ukraine Today, Ukraine’s 24-hour English-language news channel.