It's not about what's in the trucks. It's all about the "escort" they will have to keep them safe as they cross the border into Ukraine.
Ukraine 'destroys parts of convoy of Russian military vehicles’
There was growing concern over the Ukraine crisis on Friday night after Kiev claimed to have destroyed parts of a column of Russian military vehicles, with Nato accusing Moscow of launching an “incursion”.
Petro Poroshenko, the Ukrainian president, told David Cameron, the Prime Minister, that government artillery had destroyed a “considerable part” of a small military convoy that entered the country. The Telegraph witnessed a convoy of Russian armoured vehicles and military trucks crossing the border on Thursday night, but it was not clear whether it was the same convoy Ukraine claimed to have attacked.
Russia’s government denied its forces had crossed into Ukraine, calling the Ukrainian report “some kind of fantasy”.........
Scrutiny was focused on the border area this week because Russia sent a convoy of 270 trucks there with what they stated was humanitarian aid destined for civilians caught in the conflict zone in eastern Ukraine. The trucks, dispatched from Moscow region, rumbled to a halt about 20 miles short of the border with Ukraine on Thursday and have been standing there since......
On Friday, Russia’s foreign ministry claimed it had information that Ukraine’s Aidar battalion, a government-endorsed unit of paramilitaries, was planning to mine the convoy’s route to Luhansk. The idea, the ministry said, was to “destroy the vehicles with humanitarian cargo and the people escorting them and then accuse the [pro-Russian] militia of terrorist activity”.......
A military build-up on the Russian side of the border appeared to continue, with a large convoy of armoured personnel carriers and military lorries seen moving towards the checkpoint at Donetsk, not to be confused with the rebel-held city of the same name in eastern Ukraine. Dozens of military trucks and armoured personnel carriers, many flying Russian flags and emblazoned with MS – the Russian initials denoting a peacekeeping unit – turned off the M4 motorway towards the Donetsk crossing........