Dana White is president and CEO of the Ultimate Fighting Championship (UFC), an organisation US president Donald Trump has often sought to associate with MAGA politics. (EPA Images pic)WASHINGTON: Facing an incoming Democratic congress, US president Donald Trump struck a combative tone Saturday, offering friend and "violent fighter" Dana White the White House press secretary role and ordering the justice department to investigate his opponents.

Democrats handed Trump's Republicans a blowout defeat in midterm elections this week and will take control of both chambers of Congress in January. They are promising robust investigations of Trump and top officials.

He offered the press secretary role to White, a loyal supporter who is head of the Ultimate Fighting Championship (UFC) mixed martial arts organisation.