A worker was killed when he fell down a large uncovered shaft in a shopping mall tower under construction. He was a mechanical equipment maintenance person who worked for a large city shopping mall, and was responsible for checking areas and equipment on a certain schedule. He carried a portable radio so he was in constant contact with his supervisors. He went to work as usual in the evening. He was last seen just after midnight as he walked across the mall lobby. A few minutes later, he failed to respond to radio contact. Part of the shopping mall complex was searched […]