Mobs of rioters in Vietnam torched at least 15 foreign-owned factories and trashed or looted many more following a large protest by workers against China’s recent placement of an oil rig in disputed Southeast Asian waters, officials said Wednesday. The unrest at industrial parks close to Ho Chi Minh City built to attract foreign investors is the most serious outbreak of public disorder in the tightly controlled country in years. It points to the dangers for the government as it manages public anger at China while also protesting itself against the Chinese actions in an area of the South China Sea claimed by Vietnam. The unrest late Tuesday at a Singapore-run industrial park and others nearby in Binh Duong province followed protests by up to 20,000 workers. Smaller groups attacked factories they believed were Chinese-run, but many were Taiwanese or South Korean, the provincial government […]