BANGKOK, April 9 -- China again vowed to "fight to the end" Wednesday in an escalating trade war with the US as it announced it would raise tariffs on American goods to 84% from Thursday.

Beijing also added an array of countermeasures after US President Donald Trump raised the total tariff on imports from China to 104%, AP reports.

Beijing said it was launching an additional suit against the US at the World Trade Organization and placed further restrictions on American companies' trade with Chinese companies.

"If the US insists on further escalating its economic and trade restrictions, China has the firm will and abundant means to take necessary countermeasures and fight to the end," the Ministry of Commerce wrote in a statement introd...