The Democratic impeachment inquiry began when a 鈥渨histleblower鈥 revealed that US President Donald Trump had pressured Ukrainian President Volodymyr Zelensky to open an investigation of former vice-president Joe Biden and his son Hunter.
Trump suspended military aid to Ukraine and made a White House visit by Zelensky 鈥 which the new Ukrainian president dearly wanted 鈥 conditional on him stating publically that such an investigation was underway.