Car Towed!!!

[JZNx]

So yeah my car got towed because it was parked on a fire lane -.-;;
However that is not the problem.
The way they towed my car is the problem.
They lift up my rear wheels and towed it.
Now I heard a loud scraping noise when they were exiting the parking lot.
And who knows how many more scrapes they have done while driving.
I took pictures of the front bumper before they towed it.
I am planning on picking up the car on up coming Monday.
I am also planning on calling the police.

Anyone know how i should handle this?
Like do i just call 911?