The 24-year-old student David Kozak allegedly the perpetrator of the massacre at the University of Prague with 11 dead and 25 injured. David Kozak had allegedly posted hateful messages on Telegram, where he expressed his intention to kill himself in Russian.

According to the Czech authorities, the dead are 11, together with the perpetrator, while the wounded amount to at least 25, of which nine are hospitalized in a serious condition.

The photo and name of the alleged perpetrator circulating on social networks have not been confirmed by Czech authorities.