The US Secretary of Homeland Security Kirstjen Nielsen, who enforced some of President Trump’s controversial border policies, has resigned. Ms Nielsen called it “an honour of a lifetime” to work in the department. President Trump tweeted she would be temporarily replaced by Customs and Border Protection Commissioner Kevin McAleenan. Ms Nielsen was responsible for implementing the proposed border wall and …

U.S. Homeland Security Secretary Kirstjen Nielsen, who oversaw President Donald Trump’s bitterly contested immigration policies during her tumultuous 16-month tenure, resigned on Sunday amid a surge in the number of migrants at the border with Mexico. A senior administration official said Trump asked for Nielsen’s resignation and she gave it. Trump, who has recently expressed growing anger about the situation …

Department of Defence chief of staff Kevin Sweeney has resigned, a month after the Defence Secretary James Mattis announced his departure. Rear Admiral Sweeney said in a statement that “the time is right to return to the private sector”. He is now the third senior Pentagon official to announce his resignation after President Donald Trump said US forces would leave …