Torrential rains trigger flash flooding warnings across the southern part of Texas.<br/> <br />Parts of San Antonio were hit by almost 10 inches of rain on Saturday morning alone.<br/> <br />Local media is reporting that at least one person has died.<br/> <br />Cars and homes are waterlogged.<br/> <br />A news chopper spotted a man who sought safety on a roof top.<br/> <br />Rescue workers were called in.<br/> <br />There have been more than 100 rescues since the flooding started.
