Unprecedented scenes in the White House may have ended any immediate prospect of a deal on peace or Ukraine's minerals, while World markets respond with concern to the furious public row between President Trump and President Zelensky.Elsewhere the 'fat finger' problem of how Citi group mistakenly turned a $280 deposit into $80trillion.Plus we discuss the problems for American's facing tariffs on importing energy from Canada, and why Hungary is the Hollywood movie location of choiceThe latest business and finance news from around the world, on the BBC.