Help him into pub.

"No, I've lost too much blood!" protests the American, but he gamely tries to hobble inside. Using your shoulder for support, he's just about made it to the door when there's a sickening thud and he stops, a look of faint surprise on his face. Slowly, he slides to the ground; you notice with dread the huge knife that's been thrown into his back.

Two large men grin sadistically nearby. One of them takes a knife from the other, weighs it up, then hurls it at you just as the pub doors open and the rest of the patrons begin to leave. The hilt of the blade smashes you right between the eyes and you stagger backwards, stunned...

Regain consciousness a few minutes later.