A woman drove a pickup into a ravine near downtown Oklahoma City tonight, but authorities weren’t been able to find her following the accident. A bystander saw the woman drive into the ditch in the 600 block of S Western Avenue about 6:35 p.m., then climb out of her vehicle and walk west through a construction site, Oklahoma City fire Maj. Rick Yarbrough said. Firefighters searched the upturned vehicle, which land...