began remarkably seizing the key southern town of rostov-on-don, we ve seen their progress up the main highway, the m-4, through voronezh, about halfway up there, the governor now saying that there have been combat measures taken by the russian military. you re seeing now explosions from what looked like to be helicopter-based clashes over that particular city. a projection till landed there. state media showing glass has been blown out and an mi-8 attack helicopter made a hard landing in that particular area. then we have the next region, lupetsk, the governor saying the wagners are move, wagner vehicles are moving through the region. and mperhaps a sign of continue progress. nick paton walsh, thank you very much. we will have much more on how this unfolding, very important