Ukraine pushes Russians back behind Zherebets river near Lyman in 'invisible' offensive

Ukrainian forces have reportedly forced Russian troops back behind the Zherebets river near Lyman, blunting a northern approach and liberating territory in the Donbas. The operation, described as 'secret' or 'invisible,' may prove pivotal to the defense of the Donbas, echoing earlier breakthroughs near Kharkiv. Details remain unconfirmed, and the scale and durability of the gains are uncertain.