But Clary never found out what it wasn't, because there was...

But Clary never found out what it wasn't, because there was a cry of "Jace!" and Alec appeared, breathless from pushing his way through the crowd to get them. His dark hair was a mess and there was blood on his clothes, but his eyes were bright with a mixture of relief and anger. He grabbed Jace by the front of his jacket. "What happened to you?" Jace looked affronted. "What happened to me?" Alec looked at him, not lightly. "You said you were going for a walk! What kind of walk takes six hours?" "A long one?" Jace suggested.