Russia says Mi-28NM helicopter fired missiles at Ukrainian troops and armour in Kursk

Russia says it hit Ukrainian defences in Kakhovka using D-30 howitzers

Russian helicopters target Ukrainian troops in border area

Russian troops complete combat and coordination training near battlefield

Russian soldiers demolish Ukrainian camouflaged firing positions and concentrations with BM-21 grad rocket launcher

BM-21 grad units demolish Ukrainian camouflaged firing positions and concentrations of manpower

Russian Kamov Ka-52 helicopter strikes Ukrainian troops

Attack helicopters take out military targets in Ukraine at night, claims Russian Ministry of Defence

Russian Ministry of Defence claims it has footage of armoured vehicles belonging to Kremlin's forces