Ukrainian forces report Russian infiltration attempts near Kozacha Lopan
100+ Russian troops breach Kostyantynivka as commanders warn of possible city fall
Russians attempt to seep into Pokrovsk, Ukrainian forces hold the line
Ukrainian troops gain upper hand in Kupyansk, Syrskyi says
Myrnohrad logistics fall under Russian control — ISW
Russian forces bombard Kupyansk with heavy weapons, Ukraine holds city