Russia announces identities of four Moscow attack suspects. The four suspects are all citizens of Tajikistan.

Among them, Mirzoyev and Rashabalizoda have admitted all crimes. Russian official statistics on the 24th showed that the attack had resulted in 137 deaths and 182 injuries. The court decided to agree to the request of the investigators and take compulsory detention measures for the four suspects until May 22. During this period, relevant departments will conduct an in-depth investigation of the case.