A wall in a part of Quezon City Hall that is under construction collapses late Thursday night, Aug. 17, 2023, killing a construction worker and injuring three others. An official on Friday, August 18, said an investigation was ongoing. PHOTOS BY JOHN ORVEN VERDOTEA wall in a part of Quezon City Hall that is under construction collapses late Thursday night, Aug. 17, 2023, killing a construction worker and injuring three others. An official on Friday, August 18, said an investigation was ongoing. PHOTOS BY JOHN ORVEN VERDOTEA wall in a part of Quezon City Hall that is under construction collapses late Thursday night, Aug. 17, 2023, killing a construction worker and injuring three others. An official on Friday, August 18, said an investigation was ongoing. PHOTOS BY JOHN ORVEN VERDOTEA wall in a part of Quezon City Hall that is under construction collapses late Thursday night, Aug. 17, 2023, killing a construction worker and injuring three others. An official on Friday, August 18, said an investigation was ongoing. PHOTOS BY JOHN ORVEN VERDOTEA wall in a part of Quezon City Hall that is under construction collapses late Thursday night, Aug. 17, 2023, killing a construction worker and injuring three others. An official on Friday, August 18, said an investigation was ongoing. PHOTOS BY JOHN ORVEN VERDOTEA wall in a part of Quezon City Hall that is under construction collapses late Thursday night, Aug. 17, 2023, killing a construction worker and injuring three others. An official on Friday, August 18, said an investigation was ongoing. PHOTOS BY JOHN ORVEN VERDOTE