An explosion at a Moscow restaurant on Saturday that killed three people and wounded 21 more was a bombing, Russia’s national anti-terrorism committee said, the Tass state news agency reported. “A home-made explosive device blew up at a restaurant in Kudrinskaya Square in Moscow, killing three people,” said the committee, quoted by Tass. An unidentified woman who attempted to carry the explosive device into the restaurant died in the blast as did a security guard and a patron, the news agency...