The Imperial Household Agency announced that His Imperial Highness Prince Mikasa has been admitted to a hospital in Tokyo on Tuesday evening after “…partially losing consciousness at his home…”

The Mainichi News reports that the prince was in a “…semiconscious state around 6:30 p.m, but was back to normal before his doctor made a house call later…” The doctors overseeing the prince reveal “…no abnormalities so far.”