At least 21 others injured after a bomb exploded at a restaurant in central Moscow on Saturday At least three people, including the suspected bomber, were killed and 21 others injured after a bomb exploded at a restaurant in central Moscow on Saturday, according to Russian officials.Deadly blast rocks Moscow restaurant; 3 killed, 21 wounded (Agencies)The blast occurred at a restaurant on Kudrinskaya Square, Russia's National Anti-Terrorism Committee said, as quoted by state news agency RIA Novosti. Authorities said the explosion is being treated as a bombing and an investigation is underway.According to RIA Novosti, an unidentified woman allegedly tried to carry an explosive device into the restaurant. A security guard stopped her from entering, following which the device detonated.The woman carrying the explosive, the security guard and a restaurant patron were killed in the blast, the state news agency reported, citing local officials.Follow the latest breaking news, major developments and agenda-setting stories from India and around the world with the newsdesk at Hindustan Times. Operating round the clock, the desk brings together experienced editors, reporters and correspondents to deliver fast, accurate and contextual reporting across subjects that influence public policy, governance, business, society and international affairs.