HONG KONG—China’s anticorruption watchdog is investigating major authorities officials in the eastern Chinese town of Hangzhou, exactly where Alibaba Group Holding Ltd and Ant Group Co. are based mostly, raising issues about close ties among area major-amount Communist Social gathering officials and the personal sector.

On Monday, China’s Central Commission for Discipline Inspection republished a report by its Hangzhou department describing troubles associated to cozy authorities-company associations and declaring it had requested the city’s Communist Social gathering members to resolve conflicts of interests involving on their own or family members members inside of 3 months. Close to twenty five,000 bash cadres had undergone self-evaluation, the statement extra.

The announcement came two times right after the disciplinary commission’s national-amount body announced a probe into Zhou Jiangyong, Hangzhou’s major Communist Social gathering formal, citing suspected serious violations of discipline and legislation. When the antigraft agency did not supply further particulars, the language used implied a corruption situation.

The CCDI did not right away reply to an email request for comment. Mr. Zhou could not be achieved for comment.

Above the weekend, the probe into Mr. Zhou, 53 decades aged, speedily grew to become a single of the major-trending subject areas on China’s Twitter -like Weibo platform, attracting far more than 820 million sights from customers.