Surveillance cameras were tested during the ongoing school attack at Brinell School

The surveillance cameras inside Brinell School had recently been installed, but not put into use. But on Friday, August 21, they were test driven to, among other things, set camera angles and routines - in the middle of an ongoing school attack.

- An incredibly happy coincidence in the context," says Johannes Håll, acting head of education, to P4 Västmanland.

"Did a test run" - hear more about the camera surveillance at the schools in Fagersta.