These are the key developments from day 1,437 of Russia’s war on Ukraine.

Experts vary in their views on Kevin Warsh, Trump's nominee to replace Jerome Powell as head of the US central bank.

Russian attacks on Ukraine's electrical substations could cut power to nuclear plants, increasing risks of meltdown.

Iran's foreign minister says missile programme not up for negotiation as Trump says sending more ships to the region.

Protesters call for 'no work, no school, no shopping' in response to Trump's deadly immigration enforcement crackdown.

Claim comes after military ruler Abdourahamane Tiani accused France, Benin, Ivory coast of involvement in the attack.

UN chief Antonio Guterres calls on member states to address unpaid dues and overhaul world body's financial rules.

Deputy Attorney General Todd Blanche says Friday's release fulfills a requirement established by congressional law.

Trump threatened decertifying Bombardier's planes and slapping new tariffs if Canada did not certify rival US planes.

Judge rules out capital punishment, but 27-year-old still faces federal stalking charges and state-level murder charges.