India, Aug. 6 -- China announced a series of economic measures Wednesday against the United States, including controls on exports of drones to the US 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 US in September, despite signs of warming ties during his meetings with US President Donald Trump in Beijing in May.

The Commerce Ministry said the sanctions are in response to recent moves from the US, including a ban by the US Federal Communications Commission on imports of Chinese drones, and the Department of Homeland Security's decision to add 43 Chi...