Photo/Illutration Few commuters are seen at Shinjuku Station in Tokyo’s Shinjuku Ward on April 20. (Shinnosuke Ito)

Japan suffered its highest daily death toll from the novel coronavirus on April 20, confirming 25 deaths nationwide.

Tokyo and prefectures including Gunma, Aichi and Hyogo all reported deaths from the virus, raising the nation's total death count to 263.

Japan recorded 346 new infections as of 11:45 p.m., bringing the total number of cases in the nation to 11,153, excluding passengers who were aboard the quarantined Diamond Princess cruise ship.

Tokyo confirmed 102 new cases, 77, or 75 percent, of which had unknown infection routes.

Most new infections were people in their 30s, with 20 positive tests confirmed.

Nineteen people in their 40s tested positive for the virus, followed by 18 people in their 20s and 15 in their 50s.