Battles in the Zaporizhzhia region have descended into "complete chaos", according to reports.
Fierce fighting has been taking place between Robotyne, Verbove and Novodanylivka, as Ukraine pushes through the first line of Russian defences.
"We jokingly call the Novodanylivka-Robotyne-Verbove area the 'triangle of errors' because no one understands who is where, because there is no solid line of defense, nor contact line... complete chaos," a soldier told CNN.
The news organisation cited an unofficial Ukrainian Telegram channel used by soldiers as saying neither side understands where their own trenches end and their enemy's begin.
