<span style="color: #222222;">US Deputy Attorney General Rod Rosenstein, who appointed Special Counsel Robert Mueller to investigate links between Russia and Donald Trump's campaign in the Presidential elections, has submitted his resignation. </span><br />'' <br />'' <span style="color: #222222;">In a letter to Mr Trump, Rosenstein said, he will leave his post on the 11th of next month. Attorney General William Barr confirmed in a statement that the letter had been submitted.</span><br />