By bne IntelIiNews The attack at Crocus City Hall in Krasnogorsk, Moscow on the evening of March 22, executed by Tajik migrants and claimed by ISIS-K Khorasan, a group recognised as a terrorist organisation in Russia, has sparked a complex and multi-layered debate within Russia and elsewhere about national security, migration policies and ethnic relations, something which the Putin regime is now having to tackle amid the quagmire of the war in Ukraine. The attack, which resulted in 139 deaths and numerous injuries, prompted an outpouring of both solidarity and suspicion of the growing ethnic M…