-Lots of reports saying similar. Reckon this is Simplicius' "zugzwang" move by Ukraine:
Big Serge @witte_sergei
There is a large battle underway along the contact line south of Orikhiv. This is not a probe, it is not reconnaissance in force - the AFU is attacking in force attempting to breach towards Tokmak. HIMARs is active on the Ukrainian side. Russian air assets are airborne.