Tiberius' eyes narrowed at her quiet assertion, but it wasn't as though he could somehow blame her for this. She was obviously affected, too, and based on the looks he was getting he didn't think she was lying.
"Come on," he hissed, taking her arm and guiding her towards the door. "Let's get out of here." He'd been intending to leave before all of this had happened, anyway, but this mysterious mark business had only strengthened his resolve. He would have just disapparated them away to avoid the hassle of having to wade through the crowd and possibly stop to say goodbye to anyone on the way out, had that not been entirely too conspicuous.
"Come on," he hissed, taking her arm and guiding her towards the door. "Let's get out of here." He'd been intending to leave before all of this had happened, anyway, but this mysterious mark business had only strengthened his resolve. He would have just disapparated them away to avoid the hassle of having to wade through the crowd and possibly stop to say goodbye to anyone on the way out, had that not been entirely too conspicuous.