This secondary school on the outskirts of Moscow is where a gunman took more than 20 pupils hostage.<br/> <br />Police here say the student killed one police officer and a biology teacher. Another policeman was shot and injured.<br/> <br />Officers say the hostage taker has since been "neutralised"<br/> <br />The hostages have been released and were seen running out of this building.<br/> <br />A helicopter landed at the scene and later an ambulance took a man away.<br/> <br />The gunman is believed to be a pupil in one of the upper classes at this school -- known as school number 263.<br/> <br />This latest incident comes as Russia prepares to host the Winter Olympic Games, due to start in Sochi this week.
