PHOENIX - Rescue crews were kept busy with several water rescues after a monsoon surge that brought extensive flooding to Arizona, trapped residents in their homes, closed a major freeway, and paralyzed traffic on several surface streets Tuesday morning. A flash flood warning for Maricopa County and surrounding areas was extended until 3 p.m. Tuesday. Structures were demolished, heavy equipment was carried away and ranches were covered by the raging waters in New River, where more than 4 inches of rain was reported.