Seoul added 650 local infections and 11 cases from overseas arrivals, up 24 from the previous record high of 637 on July 13.
The country as a whole posted 2,223 new cases, the highest number since the pandemic began, according to the Korea Disease Control and Prevention Agency.
Seoul and the surrounding area have been under the strictest social distancing measures since July 13 but to no apparent effect.
As of midnight Tuesday, the accumulative total number of cases in Seoul rose to 69,306, including 546 deaths. (Yonhap)Internet Explorer Channel Network