image source, Reuters

At least eight people have been killed when a gunman opened fire at a university in the Russian city of Perm, officials say.

The assailant walked on to the campus on Monday morning and started shooting.

Students and teachers barricaded themselves inside the university building; others were seen jumping from windows.

Police wounded and detained the attacker, who is reported to be a student.

The incident occurred at 11:00 (06:00 GMT) at Perm State University, located around 1,300 kilometres (800 miles) east of the capital, Moscow.

Videos circulating on social media shows students throwing belongings out of windows from buildings on campus before jumping to flee the shooter.

This piece of footage of students jumping out of windows was broadcast on Russian TV:

Очевидцы сообщают о стрельбе в Пермском государственном университете. Студенты покидают здание через окна.

— РЕН ТВ | Новости (@rentvchannel) September 20, 2021
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Some reports say the gunman had written on social media that he was acting alone and had no political or religious motives.

One of the university's professors, Ivan Pechishchev, told the BBC he saw students running from a building, and people jumping out of the second floor windows as he went to class.

"They jumped out in some horror, screaming," he said. "One of the students told me that it was a shooting. I heard pops, everyone began to scatter in different directions. I went to my students in the second building and continued to hear the pops."

According to Prof Pechishchev there are about 10 buildings on the Perm University campus, and the security service immediately blocked all buildings and passages.

Perm University posted a message on social networks urging students who were in the building to stay in the classrooms.