At least eight people were killed on Tuesday in a shooting attack at a high school in the central Russian city of Kazan; Russian officials said.
The press service of the President of Tatarstan, of which Kazan is the capital; confirmed that at least four male and three female students, and a female teacher, were killed.
The regional president’s office said 20 people were injured.
The TASS and RIA Novosti news agencies; both put the death toll at 9, and said one teenager had been detained and another teenage suspect killed by special forces who responded to the incident.
Video posted to social media showed at least two people falling or jumping from a third-floor window of the School No. 175 building; which was said to have about 700 students in attendance on Tuesday when the shooting started.
Authorities restricted entry to all schools; and toughened security measures at educational institutions in Kazan after the gunmen opened fire on Tuesday; the city’s mayor’s office said.
Kazan is the capital of Russia’s Tatarstan region; about 434 miles east of the capital, Moscow.