Russian authorities report that a homemade bomb detonates outside an upscale restaurant in central Moscow. According to the state, the blast occurs on Kudrinskaya Square after a woman allegedly carrying explosives is stopped by a security guard. Officials say the detonation happens in the course of that incident, and they describe the episode as a security-related event connected to the explosives. The report presents the woman as the alleged carrier of the device, and it frames the explosion as occurring outside the restaurant rather than inside. Details about casualties, the extent of damage, and the device’s composition are not provided in the supplied account. The reporting is based on statements from Russian state officials and focuses on the sequence of events: alleged attempt to carry explosives near the restaurant, interception by security, and subsequent explosion. No additional information from other outlets is included here, so the summary reflects only the facts stated in the available source.