Tokyo | China’s police have reportedly warned investors facing financial losses against making public protests, in stepped up efforts to clampdown on criticism and head off any social unrest over the country’s increasingly precarious financial health.

With concern growing China is on the brink of a financial crisis, Xi Jinping’s government has doubled down on efforts to contain negative economic data. Authorities this week stopped publishing data on the rising youth unemployment rate, while land sales figures were also missing from regular economic updates.