Audience machine-gunned, fire, roof collapsed. Story of an attack of incredible violence in Moscow.

More than 130 people died at a concert hall near Moscow. Two numbers and a month as symbols of terrorist horror. Russia will now have March 22 as a marker for the massacre of innocents in the name of a deadly ideology. The stands are starting to fill up. In the lobby of the vast building, which has already seen a Miss Universe election and even a visit from Donald Trump, several queues still stretch.