HILL: Hundreds of aftershocks are rattling central Italy, days after an earthquake. The death toll now at 267. It's unclear just how many people may still be trapped under mound of concrete and brick. The rescue mission is in its third day, just barely still within the crucial 72-hour window, when possibility of survival is at its highest. There have been a few dramatic rescues, including a girl we saws pulled from safety after being trapped for 17 hours. We can tell you today, she is out of surgery and doing well. Italian media reporting her 10-year-old sister found next to her did not survive. CNN's Frederik Pleitgen has been covering this story from the quake and joins us again today. Fred, Good morning -- rather good afternoon, where you are.</s>FREDERIK PLEITGEN, CNN SENIOR INTERNATIONAL CORRESPONDENT: Hi, Erica. You're absolutely right. The rescue crews are very well aware of the fact that they're coming towards the end of the 72 hour period where they believe the chances of finding any survivors are at their highest. So, therefore, they're ramping up their efforts. I want to show you around Amatrice a little bit, this is, of course, the hardest hit town by the earthquake, and you can see some of the destruction here. But also see how big the rescue effort actually is. In front of there, you can see a team of rescue dogs, taking a break right now, but they've been in that rubble all morning.
Italy Earthquake: Strong Aftershocks Rattling Region.