The Russian Federal Security Service, FSB, has disclosed the arrest of four persons over the terror attack on Moscow’s Crocus City Hall. The attack, which took place on March 22, saw gunmen storming the concert venue and setting it ablaze, an incident that led to a death toll of over 140 people. However, a statement by FSB disclosed that the arrests were made in the southern Dagestan region on Sunday. The apprehended group is accused of being “directly involved in the financing and supply of terrorist means to the perpetrators of the terrorist act carried out on 22 March in the Crocus City Hal…