Right now. Good evening. We begin tonight with a developing story, a powerful 6. 4 magnitudede earthquake struck southern taiwan, where it is early saturday morning, causing buildings to collapse. There are reports that several hundred people may be trapped and rescues are under way. We get the latest tonight from nbcs keir simmons. Reporter in the dark, rescuers search for survivors in twisted concrete metal. Hundreds trapped, according to reports tonight, after multiple buildings collapsed. One man crawls out and is carried away. The earthquake, a magnitude 6. 4, struck at 4 00 a. M. Local time, while people were sleeping. It was only six miles deep, amplifying its damaging effect. Multiple firefighters worked simultaneously despite many aftershocks. Taiwanese television carefully hod that safety. Relieved to be alive. So far no reports of death or serious injuries but at least two buildings have collapsed, one 17 stories high, 123 people rescued from it so far, reports say but as th