The intelligence also says that the command of the 1st (Donetsk) and the 2nd (Luhansk) Army Corps of the Russian Armed Forces issued an order to continue attacks until the date of the ceasefire, which led to a significant increase of militant shellings in the last day, including with the use of banned weapons.

Read alsoDeserter who murdered Ukrainian troops detained in Luhansk region"The militants used 122mm and 152mm artillery systems on the Ukrainian fortified positions in the Sloviansk and Donetsk directions, as well as 82mm and 120mm mortar systems," the report says.

Earlier, the self-proclaimed leaders of the so-called Donetsk and Luhansk People's Republics declared readiness to cease fire in Donbas from September 15.