Lawrence Police are investigating about 20 reports of bricks being thrown at vehicles in southwest Lawrence.
Most of the incidents happened about 11 p.m. Thursday, said Lawrence Police Lt. Dan Ward.
"This was widespread," Ward said of the incidents.
The tossed bricks caused dents in vehicles and broke windows on some cars.
No description was available of possible suspects.
Anyone with information about the crimes is asked to call 843-TIPS. Callers can remain anonymous.