Dramatic nighttime rescues in flooded Houston suburbs as Harvey rolls on

By Mica RosenbergCYPRESS, Texas (Reuters) - The mayday call went out near midnight to all members of the Cy-Fair Volunteer Fire Department organizing rescue operations in the outskirts of Houston.On a suburban street transformed into a rushing waterway by Tropical Storm Harvey, a firefighter heading out to save people stranded by the storm fell into floodwaters as he was boarding a boat.Matt Perkins, a 21-year veteran of the fire department of Cy-Fair, short for Cypress-Fairbanks, listened inten