Crocus Hall Moscow--Putin says--Ukraine angrily denies--

https://apnews.com/article/russia-moscow-krasnogorsk-gunmen-concert-hall-fire-97e321c3c477ece36d4fb32f50fa0e8a

Putin has done this sort of thing before--when he blew up apartment building and blamed on Chechens, when he first came topower. See Anna Politkovskaya book--Anna Politikovskaya was killed in lobby of her apartment building.

Becoming old trick.