Photo/Illutration Flags are carried around the dohyo to urge spectators to take precautions against COVID-19 infection at Tokyo's Ryogoku Kokugikan on Sept. 13, the opening day of the Autumn Grand Sumo Tournament. (Toshiyuki Hayashi)

Tokyo confirmed 163 new COVID-19 cases on Sept. 16, the second consecutive day the count topped 100 after reporting 191 cases the day before.

Of the new cases, 34 patients, the highest number, were in their 40s, followed by 33 in their 20s, 26 in their 30s, 24 in their 50s, 13 in their 70s, 11 in their 60s and eight in their teens.

Seven children under age 10 and another seven in their 80s also tested positive, according to metropolitan government officials.

The capital had 23 seriously ill patients as of Sept. 16, up two from the previous day.

The metropolitan government defines serious cases as patients on a ventilator or extracorporeal membrane oxygenation, also known as an ECMO lung bypass machine.