China said it had started an antitrust investigation of Google, which works with Chinese companies on smartphones and advertising outside the country.

China has announced a flurry of retaliatory measures against the U.S., including tariffs on imports of products such as coal, liquefied natural gas products and crude oil, as well as an antitrust probe into Google.

Google became the first American company to face China's ire after the US President Donald Trump announced tariffs on the country. In a swift response to US President Trump's imposition of a 10% tariff on Chinese goods,