A tribune collapse with people in Rostov-on-Don: negligence or accident?

Investigators find out that led to a tribune collapse on a football match in the territory of schools the Olympic reserve in Rostov-on-Don. There during street competitions children and accompanying hid from a hail and a squally wind under a canopy. The design fell directly to them. One woman from traumatized died in the car the fast helps. Other victims took to hospital...