China Vows Retaliation If It’s Hurt by US-Vietnam Trade Deal

China said it was examining a trade deal that the US and Vietnam clinched and would retaliate if its interests were hurt — a sign that tensions between Beijing and Washington risk worsening as more of the pacts are finalized.

“We are happy to see all parties resolve trade conflicts with the US through equal negotiations but firmly oppose any party striking a deal at the expense of China’s interests,” He Yongqian, a spokeswoman for the Ministry of Commerce, said at a press briefing in Beijing on Thursday.

“If such a situation arises, China will firmly strike back to protect ...