So basically what this video shows us are chechens firing at an empty building and given these guys are "Russian army best fighters",I wouldn't give them much survivability in an hostile urban environment based on this video.
Gen. Petraeus: Invasion reveals a host of weaknesses in Russia's military
https://edition.cnn.com/2022/03/15/opinions/russia-ukraine-petraeus-bergen/index.html
Russian generals are dying in Ukraine because they keep going near the front hoping to rescue the invasion, Western officials say
https://www.businessinsider.com/russian-generals-killed-after-risking-selves-near-front-officials-2022-3?r=US&IR=T
Guerre en Ukraine : la France relève son niveau d'alerte nucléaire
https://air-cosmos.com/article/guerre-en-ukraine-la-france-releve-son-niveau-d-alerte-nucleaire-28810
Because of the hightened crisis in Ukraine and tensions with Russia,France has raised its nuclear alert level and currently 3...