A power outage stranded tens of thousands of visitors at the Osaka Expo, and 36 people required medical attention.

A power outage disrupted Osaka's subway system, leaving tens of thousands of visitors stranded at the World Expo, where many spent the night. 36 people were hospitalized with headaches and dizziness. Organizers apologized for the inconvenience caused by the malfunction and staff tried to improve the atmosphere with music and lighting. Some visitors found the experience tolerable, appreciating the opportunity to explore the exhibition without the crowds.