QUICK HITS

Official rebukes U.S.:

The United States should give up its “wishful thinking” of changing China, Foreign Minister Wang Yi said, warning that some in the U.S. were pushing relations to a “new Cold War.”Wang said on the sidelines of National People’s Congress meetings in Beijing that “China has no intention to change the U.S., nor to mention replace the U.S. It is also wishful thinking for the U.S. to change China.” The world’s two biggest economies have clashed on a range of issues, from trade to human rights.

Space launch postponed:

Richard Branson’sVirgin Orbit postponed its first space launch Sunday due to a technical problem.

The company did not immediately announce a revised plan for the inaugural use of its air launch system.

Woman accused of murder:

A Miami woman faked her autistic son’s abduction after trying to drown him twice, with witnesses rescuing the boy

from a canal the first time, and the second attempt ending in the boy’s death, officials said. Miami-Dade State Attorney Katherine Fernandez Rundle said Patricia Ripley, 45, is facing attempted and premeditated murder charges and being held in jail with no bond. The boy, Alejandro Ripley, 9, was found floating in a canal Friday.

Ambassador to step down:

Ric Grenell confirmed his plans to step down as U.S. ambassador to Germany. He had recently served as acting director of the Office of the Director of National Intelligence.