I think it is maybe 48.5721174515755, 38.03325381627405Russians have been attacking Ukrainian lines with 10-20 soldiers strong units without any support for a quite a while now for whatever reason. Seems to be just a waste of manpower but they probably dont have any other options as orders are given to attack so they must attack what they got.
It is most likelly infiltration, most likelly a drone op didn't spoted the Ukrainan units.