Tropical storm Harvey: catastrophic floods in Houston as city braces for days of rain

Fourth-largest city in the US could see 50in of rain as rescue workers struggle to keep up with calls for help and flood defences are tested to the limitEx-hurricane Harvey: Houston flooded as catastrophe unfolds in Texas - latest updates Tropical Storm Harvey has continued to batter Texas, hurling record rainfall at the nation's fourth-largest city, forcing thousands of people to flee their homes and testing flood control systems to their limits. Related: Ex-hurricane Harvey: Houston flooded as catastrophe unfolds in Texas - latest updates Continue reading...