A ⁠section of ⁠an overpass under demolition in the South Korean capital of Seoul collapsed on Tuesday, killing three people who were ‌conducting a safety inspection and injuring three others, fire and city officials said.Television footage showed emergency workers conducting a search-and-rescue operation as a long segment ⁠of the structure lay collapsed on the street below, near a railway crossing in central Seoul.Workers noticed that a part of the structure had slightly sunk while concrete slabs were being cut and suspended the demolition early on Tuesday for a safety inspection, a Seoul city official said.The section collapsed on Tuesday afternoon ‌while ‌safety inspectors were inside the support structure, ‌the official said.South Korean rescue teams inspect the scene where an overpass collapsed while it was being dismantled in Seoul on Tuesday. Photo: Yonhap/APAll the people killed ⁠and injured were senior city public works officials ⁠and a private sector expert conducting the inspection, a fire official said.