Katie Zacharia says her first, widely panned, press briefing was just six days after her first contact with White House

Donald Trump’s new White House press secretary says it is “unknown” how much she will engage with the press, or hold briefings with reporters, as she faces mounting questions over her legal credentials.

In a brief interview with the Guardian on Thursday, Katie Zacharia detailed the whirlwind sprint to replace her predecessor Karoline Leavitt as the US president’s chief spokesperson.