Also: https://uwimprint.ca/article/breaking-news-campus-attack-confirmed-to-be-targeted/

Truly terrible and I’m glad that nobody died. I wonder why the attacker hasn’t (yet?) been charged with attempted murder?

Some people in the class tried to stop what was happening, while others fled the room, he said.

Those people who tried to stop the attacker are very brave. Kudos to them!