A gunman has opened fire in a school in central Russia, killing 15 people including 11 children and hurting 24 others before shooting himself dead, authorities said.

The shooting took place at School Number 88 in Izhevsk, a city 600 miles east of Moscow in the Udmurtia region.

Russia’s Investigative Committee identified the gunman as 34-year-old Artyom Kazantsev, a graduate of the same school, and said he was wearing a black T-shirt bearing “Nazi symbols”.

No details about his motives have been released.

The governor of Udmurtia, Alexander Brechalov, said the gunman, who he said was registered as a patient at a psychiatric facility, killed himself after the attack.

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Ammunition is seen on a table in a classroom at the scene of the shootingAmmunition is seen on a table in a classroom at the scene of the shooting (Russian Investigative Committee/AP)

Kremlin spokesman Dmitry Peskov described the shooting as “a terrorist act” and said Russian President Vladimir Putin has given all the necessary orders to the relevant authorities.

“President Putin deeply mourns deaths of people and children in the school, where a terrorist act took place,” Mr Peskov told reporters on Monday.

The school educates children between UK years two and 12 – ages six and seven to 16 and 17.

It was evacuated and the area around it cordoned off, the governor said.

Russia’s National Guard said Kazantsev used two non-lethal handguns adapted to fire real bullets.

The guns were not registered with the authorities.

A criminal probe has been launched on charges of multiple murder and illegal possession of firearms.

Izhevsk, a city of 640,000, is located west of the Ural mountains in central Russia.

Employees of the Russian Investigative Committee work at the sceneEmployees of the Russian Investigative Committee work at the scene (Russian Investigative Committee/AP)