The fire in the 11-story building started at about 6 p.m. local time (09:00 GMT), according to the Yonhap news agency.
The blaze was put out in 20 minutes, with no victims reported.
— JTBC 뉴스 (@JTBC_news) July 5, 2019
The reasons behind the fire are reportedly being investigated.
— 뉴스톡톡 (@NEWS_TOKTOK) July 5, 2019
The authorities believe that the blaze had started in an outdoor air conditioning unit.