At least eight people have been killed by gunmen in the Russian city of Perm, officials say.
The bomber struck shortly after noon in front of a police recruiting center.
Students and teachers surrounded themselves in the university building and some people were seen jumping out of windows.
It is not clear how many people were injured, but Russian police say the attacker has been taken into custody.
Russia's state-run Investigative Committee says the attacker was studying at the same university.
The incident took place at Perm State University, about 1,300 kilometers east of the capital, Moscow.
Videos circulating on social media show students throwing their belongings out of the windows of campus buildings and then jumping.
The scene of the students jumping out of the windows was broadcast on Russian TV.
* This is preliminary news that is being further updated.
