China announced a series of economic measures Wednesday against the United States, including controls on exports of drones to the U.S. and a ban on dealings with six American entities, in response to recent restrictions imposed by Washington.
Tensions are simmering between the world's two biggest economies ahead of an expected visit by Chinese President Xi Jinping to the U.S. in September, despite signs of warming ties during his meetings with U.S. President Donald Trump in Beijing in May.
