US tariffs on $34 billion in Chinese imports took effect as a deadline passed on Friday, and with Beijing having vowed to respond immediately in kind, the world's two biggest economies took a high-stakes turn towards all-out trade conflict.
China's commerce ministry said in a statement shortly after the deadline passed that it was forced to retaliate, meaning $34 billion worth of imported US goods including autos and agricultural products also faced 25 percent tariffs.
"China promised to not fire the first shot, but to defend national core interests and the interests of the people it has no choice but to strike

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