Osaka, the second largest prefecture in Japan, announced its highest daily total of new coronavirus cases yet, half of which it said were still untraceable.

Japan recorded 510 coronavirus cases on Sunday, the Health Ministry said in a statement released today. Osaka confirmed 89 infections on Sunday, including 59 untraceable cases.

This is the highest daily figure reported in the prefecture since April 9.

Another 188 cases were reported in Tokyo on Sunday, the first time in four days that the number fell below 200, the statement read.

No new deaths were reported on Sunday.

The total number of confirmed cases across Japan is now 25,808, which includes 25,096 land cases and 712 cases from the Diamond Princess cruise ship.