An evening subway system malfunction in Osaka left large numbers of people stranded well into Wednesday night outside a station connected to the World Exposition site.The subway operator, Osaka Metro, said a power failure hit its Chuo Line at around 9:30 p.m., cutting train service from Yumeshima Station, which has direct access to the eastern gate of the expo venue.Service between Yumeshima and the next station, Cosmosquare, resumed at around 10:10 p.m., but entry into Yumeshima was limited due to overcrowding. Visitors were encouraged to use buses and other transport services instead.Afte…READ FULL ARTICLE