Rescuers try to enter an office building that collapsed on its side after an early morning earthquake in Tainan, southern Taiwan, on Feb. 6, 2016. A 6.4-magnitude earthquake struck southern Taiwan, according to the U.S. Geological Survey. (AP Photo)
A powerful, shallow earthquake struck southern Taiwan before dawn Saturday, collapsing two high-rise residential towers and killing at least five people and injuring hundreds. More than 220 people were pulled out from rubble, as rescuers raced against time to find dozens of others unaccounted for.