Chinese police have dismantled more than 1,000 gangs and detained about 8,200 suspects, just 10 days after the country’s top security official announced a year-long campaign against organised crime. The Ministry of Public Security said on Monday that the crackdown focused on crimes that had evolved into “more covert” forms and spread rapidly online. “New types of crimes such as online predatory lending, soft-violence debt collection … coerced consumption and online harassment have become major...