You can't see 80km from the ground, and it's on the other side of a closed international border and the war itself. Residents of Belgorod can have little to no idea what's happening in Kharkiv other than the news. Well, that and the gigantic explosion of the local oil depot.
Heck, in many places around the world people get most local news from social media apps.
Heck, in many places around the world people get most local news from social media apps.