Nine people died and one is missing in boat capsize accident in a river of Qianxi City, southwest China's Guizhou Province, on Sunday, according to local authorities.Four boats capsized in sudden strong winds, plunging 84 individuals into the water.So far, nine people have died, 70 are being treated and are in non-life-threatening conditions, and four people are uninjured, according to local rescue headquarters.The search continues for the last missing person.Provincial authorities have deployed nearly 500 emergency responders, including police, firefighters and medical personnel, to coordinate rescue efforts, according to (Xinhua) news agency.Chinese President Xi Jinping urged all-out efforts to search those falling into water and treat the injured.Stressing that several incidents have occurred recently in various regions, Xi urged local authorities and relevant departments to learn from these lessons, resolutely overcoming complacency and further reinforcing responsibilities across all related parties.Xi underscored the importance of strengthening safety measures in tourist attractions, large public venues, residential communities, and holiday returning transportation to curb the trend of frequent severe safety incidents.