Editor’s note: This is a breaking news story and will be updated regularly. Ukraine’s 3rd Separate Assault Brigade on Aug. 22 released a video showing what it claims is the first footage of an “offensive in full swing” filmed “somewhere in Kharkiv Oblast.” “The details will be revealed later. Expect good news from the 3rd Assault Brigade,” the post on Telegram reads. In the video, Ukrainian tanks can be seen advancing and firing in an undisclosed location. Other sections show what appears to be Ukrainian troops firing into trenches and Ukrainian drones dropping bombs on Russian soldiers. The l…