One gunner took a little too long when he popped out from behind the wall he was hiding behind and an unseen sniper took a head shot.
You can watch the video here, but of course, it contains Extremely Graphic Content, so be warned.
It’s safe to say that this particular group of fighters wasn’t the most experienced bunch to ever go onto the battlefield. Urban warfare isn’t easy and requires a lot more skill than firing a machine gun from your hip and screaming.