The UK's assessment comes as several videos that recently went viral showed men in Russian fatigues and crutches navigating ...

In the videos, a man in Russian military police uniform is shown walking over to one of the soldiers and beating him to the ground with a baton while screaming expletives at him and stunning him ...

The efforts to fully replace the older Kalashnikov assault rifle began in 2018, but as seen in the Kremlin's ongoing war in Ukraine, it will likely take years for the transition to be completed.