Many Russian civilians were killed on March 22 in Moscow after an ISIS attack saw four men gun down innocent people. Here is everything we know about what happened.
Shamsuddin Fariddun, from Tajikistan, is currently being interrogated in Moscow and a photographer has claimed the suspected terrorist was seen at Crocus City Hall two weeks before the massacre
This is the moment the suspected Moscow massacre terrorists are frogmarched blindfolded into a building for interrogation over the concert hall shooting on Friday night.
Photographs show one of the suspected terrorists, named as Shamsuddin Fariddun, lying on a gym floor with his trousers pulled down and wires evidently attached to his groin area.