In the Kharkiv region, Russian forces are reportedly attempting to swiftly isolate the area of combat operations east of the Siverskyi Donets River and seize Vovchansk – a direction of advancement that, according to Russian command, may pose a threat to the Ukrainian grouping defending the Kupiansk direction, informs the Institute for the Study of War (ISW). ISW has geolocation images from May 11th, which document the destruction by Russians of a bridge over the dam of the Siverskyi Donets River in Staryi Saltiv (southwest of Vovchansk), as well as a strike on the bridge over the Vovcha River,…