Tehran has rejected direct negotiations with the US in response to a letter from Donald Trump over its rapidly advancing nuclear programme, the president of Iran has said.

Wisconsin's attorney general has asked the liberal-controlled state Supreme Court to stop billionaire Elon Musk from handing over cheques for one million dollars (£772,000) to two voters, an appeal that came hours before President Donald Trump's ally planned the giveaway at an evening rally.

A private European aerospace start-up has successfully launched the first test flight of its orbital launch vehicle from Norway.

Richard Chamberlain, the handsome hero of 1960s TV series Dr Kildare who found a second career as an award-winning "king of the miniseries", has died at the age of 90.