"Holy hell, are you ok?" Jack asks as he runs up to the Rat.  He places his boots, which he had been carrying because it's pretty hard to walk along with springs sticking out of the bottom of your shoes, on the ground beside him.  He looks in his eyes to see if he can notice the pupils contracting, but doesn't have any equipment or ability to better asses the possibility of a concussion.  He didn't seem to be bleeding anywhere at least.

He looks down the alleyway.  "What the hell happened?"