Klaus and Rebekah didn't look particularly disturbed by this development - there's only one way they can be killed, and fire is merely an inconvenience, but Stefan has reason to worry, and he jumps up, trying to see what's happening over the crowded people.

"Go," Rebekah says with a nod as she gets to her feet. "We'll catch up with you."

Stefan nods his agreement, before making his way out of the crowd, not really caring who happened to get in his way in the process.