As reported by Censor.NET, this was announced by Zorian Shkiriak, the Interior Minister adviser, on his Facebook page.
"The enemy's forces concentrate at the Debaltseve direction. After huge losses they started to move up reserves by redeploying troops and heavy equipment from the rear and other front line areas. Regular troops of the Russian Federation take part in the fighting near Debaltseve, and the command includes general officers of the Russian Army's Joint Staff," he wrote.
According to him, the attacks are ongoing at the moment: "The ATO forces hold their positions and repulse the enemy's attacks. The aggressor is incurring significant losses in manpower and equipment."
Shkiriak also informed that "the terrorists continued shelling and killing civilians. Four civilians were killed by the terrorists' shelling Monday night: one in Avdiivka, three in Vuhlehirsk, including a child of 3 years," he wrote.