over 400 Russians estimated dead here
Video from Yuri Butusov of the failed Russian crossing of the Severskyi Donets river near Bilohorivk
According the Ukrainian state media which is the sole source of western media. That was a battlefield loss but it’s more like 50 armoured vehicles and they made it across the river anyway a few days later. The Ukrainians easily sustain 200-500 casualties and lose lots of armour and aircraft every single day. Javelins aren’t changing anything because they can’t get anywhere near tanks or artillery. Confirm it for yourself by verboten drone videos posted on Telegram