BEIJING, May 1 -- China's foreign minister on yesterday urged the United States to maintain "stability" between the two powers and warned that Taiwan posed the biggest risk, weeks before President Donald Trump visits Beijing.

In a call with US Secretary of State Marco Rubio, Foreign Minister Wang Yi said that Beijing and Washington should "safeguard the hard-won stability" in China-US relations, China's foreign ministry said.

The talks also discussed the Middle East, where China has been a key partner of Tehran but has largely kept its distance after Trump joined Israel in attacking Iran, sending global oil prices spiralling.

A State Department official confirmed the phone call and said it was to arrange Trump's trip but did not give f...