According to U.S. Defense Department sources, 10 out of 31 promised Abrams tanks will arrive in Ukraine in mid-September, Politico reported on Aug. 31.

Russian forces attacked Sumy Oblast 27 times on Aug. 31, resulting in 167 explosions, according to the Sumy Oblast Military Administration.

The Nobel Foundation announced on Aug. 31 that it will invite all diplomats represented in Sweden to its Nobel Prize award ceremony, an expansion that includes representatives from Russia and Belarus.

Russian military bloggers and propagandists repeatedly criticize Russian forces "for their inability to defend Russian territory and military facilities, while simultaneously criticizing recent Russian Defense Ministry censorship efforts," the Institute for the Study of War said in its Aug. 30 report.

Russian forces attacked Ukraine's northeastern Sumy Oblast 25 times on Aug. 30, which resulted in 211 explosions, according to the Sumy Oblast Military Administration.