Feb 24 (Reuters) - An explosion outside a Moscow railway station killed two people early on Tuesday, including a police officer and a suspect believed to have planted an explosive device, Russian news agencies quoted police as saying.
Police, quoted by agencies, said investigators reviewed video footage showing a suspect approached a police car outside the Savyolovsky station in central Moscow and placed a device there.
Two other police officers were injured in the explosion. Police provided no explanation or motivation for the incident.
(Reporting by Reuters; Editing by Chris Reese)
