Russian troops are expanding their offensive in the north of Kharkiv region. The offensive forces have taken control of at least one settlement, and fighting is underway near Vovchansk and in other areas. RBC-Ukraine reveals what’s happening, Russia’s plan, and what new threats Kharkiv may face. Sources: reports of the Institute for the Study of War (ISW), analytics and maps of the DeepState project, statements of the Commander-in-Chief of the Armed Forces of Ukraine Oleksandr Syrskyi and military speakers, and comments by expert Oleksandr Musiienko. Contents Gray and red zones: what has chang…