President Donald Trump plans to convene the first meeting of his Board of Peace this month in Washington to raise money for the reconstruction of Gaza. The meeting, proposed for Feb. 19, would include both world leaders who accepted Trump’s invitation in January to join the board as well as members of an executive committee for Gaza that will oversee the specifics of the territory’s governance,

The United States on Friday accused China of carrying out a secret nuclear test in 2020 as the Trump administration calls for a broader nuclear weapons agreement including both China and Russia.

Russian and U.S. negotiators discussed the expiration of the last remaining nuclear arms pact between the two countries and agreed on the need to quickly launch new arms control talks, the Kremlin sai...