Russian troops snuck through 12 kilometers of gas pipe to get behind Ukrainian lines and launch an audacious attack. From Simplicius at simplicius76.substack.com:
As if set off by the chain of recent diplomatic failures, Ukraine’s Kursk front has initiated a rapid unscheduled disassembly, or in other words, a catastrophic collapse.
The picture emerging is not an optimistic one for Ukraine, with prominent figures now squealing about ‘unprecedented’ losses.
From top Ukrainian journalist Anatoli Shari:

Ex-Aidar Deputy Commander Ihor Mosiychuk reported that the Martynovka garrison was just about entirely destroyed:

