Associated Press — An explosion rocked an upscale residential block in Moscow early Monday, killing two people – including the founder of a battalion that battled Kyiv´s forces in eastern Ukraine — and injuring three others, Russian authorities and news reports said. Footage released by Russia’s Investigative Committee showed a building lobby with shattered glass doors and a damaged ceiling. It didn’t say what caused the blast, but the state news agency Tass cited an unidentified law enforcement source as saying a bomb was planted in the building. The Investigative Committee said it opened a criminal inquiry on charges of...