A gunman has killed two people and wounded four after being asked to wear a mask whilst in a public services office in Moscow, authorities have confirmed.
Sergei Glazov, a 45-year-old resident from Moscow, opened fire with a "combat pistol" at the Ryazansky Public Offices Centre in south-eastern Moscow after being told he had to put on a mask due to the current pandemic.
Russian media agencies have reported that Sergei Glazov, who has been arrested following the shooting was a former member of the Russian foreign intelligence service, more commonly known as the SVR, previously the KGB.
The Russian capital's deputy mayor, Anastasia Rakova said that two employees at the centre - an administrator and a security guard, were both killed in the shooting today (Tuesday).
The two victims who died have been named as Alexei Ruzlev and Vladimir Sheshenev.
Among the injured is Sofia Kozak, a 10-year-old who is said to be in a serious condition with a neck wound and fighting for her life in a children's hospital.
Also wounded were Evgeny Kondratyev, 35, who suffered a hand injury, Lyubov Titova, 56, who was hurt in the chest, and Zainab Taimazova, 33, who had a back wound. The three adults were being operated on.
It has been reported by police that Glazov was in a "deranged" condition when he committed the attack and is going to be sent for a psychiatric examination.
The police also confirmed that he was also armed with a knife and the gun he used in the shooting was an unregistered military weapon.
The Russian Investigative Committee has opened a criminal case under articles on murder and illegal arms trafficking.
Moscow Mayor Sergei Sobyanin expressed his condolences to the families of the victims. This is an ongoing story and we will update you as soon as further information is made available, our thoughts are with all those injured in today's attack, and wish them a speedy recovery.