An Iowa task force has completed its search for survivors at the site of a partially collapsed Davenport apartment building and is moving ahead to shore up the structure so recovery efforts can begin, authorities said Friday. Three people remain missing and are feared dead after the six-story apartment building crumbled on Sunday. Authorities said Friday that the building has remained dangerous, and was shifting in the first 24 to 36 hours — posing a danger to rescuers who were trying to find people. MORE: https://www.wtsp.com/article/news/special-reports/the-davenport-collapse/survivor-search-over-recovery-mayor-mike-matson-iowa-task-force-1/526-1ff43bb3-e942-46e6-9804-e172f85e617a