It looks like that Russian military intervention into Belarus as a result of their anti-regime protest remains a valid option.
This clip seems to be preparing Russian audiences for exactly this scenario, especially the part that mentions Collective Security Treaty Organization.
The news piece is citing the usual “safety concerns” that Kremlin likes to use as a pretext for military aggression.
In reality a country is never less safe from having its sovereignty and territorial integrity endangered than when Russia claims it wants to “protect” said country.