Bomb blast at Moscow restaurant kills three, injures 21

A bomb detonated at a restaurant on Kudrinskaya Square in central Moscow on Saturday, killing three people and injuring at least 21, Russian officials said. The victims included the woman who was carrying the explosive device, a security guard who stopped her from entering, and a patron.

Russian state news agency RIA Novosti reported that the woman attempted to smuggle the bomb into the establishment but was denied entry by the guard before the device exploded.

"The woman attempted to smuggle the bomb into the establishment but the security guard refused to let her in before the bomb exploded," RIA Novosti said.

The Moscow Investigative Committee confirmed that the incident is under investigation.

"The attack is still being investigated," the committee said.