Reuters is quoting a Ukrainian military spokesman as saying new military equipment was seen entering Ukraine from Russia, including three Grad multiple-launch missile systems.
Here's the related message from the Ukrainian National Security and Defense Council:
In case you missed it, from BBC:
The new rebel leader in east Ukraine's Donetsk region has said his forces include 1,200 fighters who underwent military training in Russia.
Addressing a meeting, Alexander Zakharchenko said the fighters had trained "four months on the territory of the Russian Federation".
The rebels, he said, had reserves of 150 combat vehicles, including tanks.
An earlier mistranslation of his words suggested Mr Zakharchenko had said the vehicles were on their way from Russia.
Russia has denied claims by Ukraine and Western reporters that military aid to the rebels has been crossing the border.
Ukraine's foreign minister preparing for the Berlin talks with Russian, French, and German counterparts. They are scheduled to start in about seven hours.
The International Committee of the Red Cross says its representatives have arrived at the location where the massive Russian truck convoy is parked but have not yet begun their official inspection of the shipment, which Moscow says is humanitarian aid for residents in wartorn eastern Ukraine.
Our representatives are there with the convoy," AFP quoted Victoria Zotikova, a Moscow spokeswoman for the ICRC, as saying today. "There are not yet inspecting the contents but are just looking at the convoy."
"There was an agreement yesterday on how to inspect the convoy, but the official inspections have not yet begun," she said.
She is quoted as saying she doubted the inspections would begin today.
The ICRC yesterday said an agreement had been reached:
...but the group added overnight that it still needed security guarantees from the Ukrainian and pro-Russian sides: