Those incidents include multiple attempts by extremists to derail trains to hinder oil pipeline construction and at least seven incidents in which police and their facilities were targeted with guns, firebombs and graffiti.
The video shows a firebomb breaking against the wall, engulfing it in flames.
Nor has anyone been arrested for the firebomb attack that torched the same entryway last summer.
It was like seeing Berlin from the air after a big firebomb attack.