Court detains Seoul Metro arsonist Won for public safety risk and serious damage Chosunbiz Events
Seoul Metro Line 5 resumes full operations after arson fire response Chosunbiz Events
Seoul's push to move up subway operation hours by 30 minutes triggers criticism The Korea Times Culture
Seoul subways to begin and end operation 30 minutes earlier; union protests The Korea Herald Events
Seoul Metro shifts first train to 5 AM despite MZ union opposition Chosunbiz Politics
Seoul metro to begin operating 30 minutes earlier from from August Korea JoongAng Daily Politics