eastern ukraine. this is all very different to what western governments and experts believe that russia has been trying to achieve here. the common assessment is that russia believed it could essentially win a lightning invasion within a few days very quickly taking the capital. that hasn't capped. so in that context, it's difficult to accept these latest explanations at face value. they could simply be an explanation, or messaging if you like to a russian domestic audience over the limited recent progress on the ground by the russian military. it could be yet another diversion. s or there is a theory that suggests it could be a reinvestment of some kind by russia about what could be realistically achievable here on the ground based upon what they've been able to do so far. ukraine and the world will be looking to see if russia does change its tactics in the coming days, wolf. >> we'll be watching together with you, phil black in ukraine,