The mayor of China’s southwestern metropolis of Chongqing has been placed under investigation by the country’s top anti-corruption agency. The Central Commission for Discipline Inspection (CCDI) issued a statement on Friday saying that Hu Henghua, mayor of Chongqing and deputy secretary of the city’s Communist Party municipal committee, was under investigation for “serious violations of discipline and law” – a term commonly used to refer to corruption. Chongqing is among China’s four centrally...