Several gunmen in combat fatigues burst into a big concert hall in Moscow on Friday and fired automatic weapons at the crowd, injuring an unspecified number of people, Russian media said.
some of the videos ive seen are really heavy so trigger warning
We get some, occasionally. Had several school shootings and stabbings. But I doubt this one is one of those
Not all the same or in the quantity America has the shootings like this one, or the others you descirbed for that matter.