Trump calls former campaign aide at centre of Russia inquiry a liar
US president hits out at investigation after three charged with criminal offences
US president Donald Trump and first lady Melania Trump hand out Halloween candy to children at the White House in Washington, DC. Photograph: Tom Brenner/The New York Times
A defiant Donald Trump has hit out at the Mueller investigation into Russian interference in the US election, branding one of the three men charged with criminal offences a “liar” and insisting there had been “no collusion”.