The number of dead has gone up to138 says Moscow - insiders say this could be the beginning of a combined effort by rebellious Russian troops, who returned from the Ukraine front last year,together wih Navalny supporters, and Kremlin insiders, to topple Putin and install more democratic regime in Russia.
See also:
https://www.aljazeera.com/news/2024/3/22/gunfire-and-explosion-reported-at-concert-hall-in-russias-moscow