Laser's would make football a lot more fun
The protesting team was Indonesia. They were playing Malaysia in the Asean Football Federation Cup finals first leg, and it would be the second time Malaysian fans attacked a team with lasers. Earlier, Vietnam lost 0-2 to Malaysia and complained of the very same thing.
Indonesia eventually returned to play the game out, but ultimately lost 0-3, possibly due to blindness. Whether it was from rage or the Malaysian laser pens we may never know