Blast in an upscale residential area in Moscow kills 1 and leaves 4 wounded

A blast in a Moscow residential block on Monday killed one person and injured four others, with the wounded in critical condition. The cause of the explosion is unclear, but law enforcement has launched a criminal investigation, charging murder and attempted murder. Among the injured was Armen Sarkisyan, founder of a volunteer battalion fighting in Ukraine, whose bodyguard died in the blast. Sarkisyan is wanted in Ukraine, though details of the charges remain unspecified.