A 29-year-old known only by her surname, Li, broke the window of a A-320 Loong Air aircraft during a flight from Xining Caojiabao airport in Qinghai province to Hangzhou Xiaoshan airport in Zhejiang, causing a diversion to Zhengzhou Xinzheng International Airport. Li was allegedly intoxicated and distressed after her relationship had broken down. She had allegedly drunk half a litre of baijiu – a Chinese grain alcohol.