MOSCOW, Aug. 1 (Meziesblog) — Three people were killed and 21 others injured after an improvised explosive device detonated at a restaurant in central Moscow, Russia’s National Anti-Terrorism Committee (NAC) said Saturday.

According to the NAC, a woman attempted to bring the explosive device into the restaurant located near Kudrinskaya Square. She was killed when the device detonated. One of the other two fatalities was a security guard who had prevented the woman from entering the restaurant with the explosive device, the NAC said. The third victim was a restaurant visitor.

Earlier reports said the explosion occurred near a summer cafe in the Kudrinskaya Square area, killing three people and injuring 15.