A bomb exploded at the “Balzi Rossi” bar in Kudrinskaya Square, Moscow, resulting in three deaths and at least 21 injuries. The fatalities include the female attacker and a security guard who reportedly prevented her from entering the establishment, as well as a customer. Authorities have not yet claimed responsibility for the attack. Reports indicate a party was underway at the time of the explosion, with possible attendance by the head of the Russian Air Force. The investigation is ongoing to determine the cause of the blast and the attacker’s motives. No further details about the explosive device have been released at this time. The incident has prompted a large emergency response and a heightened security presence in the area.