Security council spokesman Andriy Lysenko said aid should pass through a government-controlled border post and be accompanied by Red Cross officials.There are Western concerns that Russia is using humanitarian assistance as a pretext to invade eastern Ukraine.At least 1,500 have died since Ukraine sent troops against pro-Russia rebels.The fighting in the Donetsk and Luhansk regions since mid-April has displaced hundreds of thousands of people, many of whom have fled to Russia.The Red Cross says it still needs more security guarantees and information about the aid convoy.Taken by surpriseAlmost 300 lorries of humanitarian aid left the Moscow area bound for Luhansk on Tuesday morning.Russian TV showed the cargo, said to include hundreds of tonnes of grain, baby food and medicine, which will go to civilians trapped by fighting in the area held by pro-Russia rebels.Russian aid loaded onto lorries - TV grab (12 August 2014)(BBC)Bakudaily.Az