US President Joe Biden promised to rebuild his country's partnership with the African Union (AU) moments after he delivered his first foreign policy speech since taking office.
The US is to end its support for offensive operations by its allies in Yemen, which has been devastated by a six-year war in which more than 110,000 people are believed to have died.
Russian authorities have closed metro stations and are restricting movement in Moscow ahead of planned rallies in support of jailed opposition leader Alexei Navalny.
