Two people have been killed during a missile test on a military site in northern Russia.
An explosion of a missile engine unit at a military testing site in northern Russia killed two people on Thursday.
Russia’s RIA news agency cited the ministry of defence as saying no harmful substances were released into the atmosphere.
Radiation levels are normal after the explosion which involved a liquid-propellant rocket engine, the defence ministry was quoted as saying.
Six people were injured in the incident, it said.