A Russian serviceman shot dead eight soldiers and seriously injured two more in a military base in the Far East of the country, officials say.
Private Ramil Shamsutdinov – who has been detained – may have suffered from mental health problems, they say.
The shooting occurred in military unit No. 541
A homicide investigation is underway.  What is known about shooting?
The shooting occurred at 18:15 local time (11:15 GMT), the Russia Investigative Committee has said.
The Ministry of Defense had earlier stated that shots were fired during a security shift. at the base in the Tranbaikal region.
Mr. Shamsutdinov, a recruiter, killed two officers and six of his servicemen.
Russian media report that the suspect was targeted at his victims in the head.
Special commission headed by Deputy Secretary of Defense Andrey Karte
Military Division No. 54160 has an artillery brigade and a missile brigade. It has Iskander missiles that can carry nuclear warheads.
In Russia, military service is compulsory for all male citizens between the ages of 18-27. They usually serve 12 months and can then sign a professional contract to continue in the armed forces.
In the mid-2000s, rights groups reported widespread violence and harassment – known as "hazing" – against new servicemen in the military. forces.
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