China’s Foreign Minister Says Ties With U.S. Risk Going Off the Rails

China’s foreign minister warned that the U.S. strategy toward China risked plunging the countries into a conflict in remarks a day after Chinese leader Xi Jinping unleashed a similar verbal salvo at Washington, signaling a deepening rift between the world’s two largest economies.

In a news conference Tuesday on the sidelines of China’s annual gathering of its National People’s Congress in Beijing, Qin Gang said the Biden administration was insincere in saying it wanted to preserve relations and warned the U.S. against engaging in what he called new McCarthyism.

The blunt remarks by Mr. Qin, who...