Chinese authorities said they found that a female Alibaba Group Holding Ltd. employee was sexually abused both by her boss and a business client, supporting many details from an account by the woman that has rocked China’s internet in the past week. The official statement, published late Saturday by police in the eastern Chinese city of Jinan, comes amid simmering public anger around the incident, including toward Alibaba, the Chinese internet giant. The statement said that authorities had taken “criminal coercive measures” toward the two men, which under Chinese law could include bail, detention or arrest, among other actions. In...