Stranded Texans turn to social media for help as flood waters rise

Flood-stranded Texans in the Houston area took to social media on Sunday with desperate pleas to be rescued from their homes as Tropical Storm Harvey and its torrential rains slowly lumbered across the region.With authorities urging Houston's more than 2 million residents to stay in their homes rather than risk venturing outside, some 70,000 of them formed a Facebook group that many of them used to call for help.TOGETHER WE WILL REBUILD."Martinez said 20 people, including six children, an elderl