A café in Moscow was the site of an explosion Saturday evening, resulting in at least three fatalities and fifteen injuries, according to Russian police. Authorities have confirmed the incident occurred around 8:10 PM local time, but have not yet released details regarding the cause. Emergency services are currently on scene, providing medical assistance and securing the area. The blast is currently being investigated by law enforcement officials, who are working to determine the origin and nature of the explosion. Further updates are expected as the investigation progresses and more information becomes available. This incident marks a significant security concern in the Russian capital.