US President Donald Trump gestures during a bilateral meeting with German Chancellor Angela Merkel on the sidelines of the NATO summit at the Grove hotel in Watford
US President Donald Trump Image Credit: AFP

Washington:  President Donald Trump's lawyers submitted a trial brief Monday calling his impeachment by the House "a dangerous perversion" of the US constitution and demanding his immediate acquittal by the Senate.

Almost simultaneously, House impeachment managers responded to an earlier Trump filing, saying the president engaged in "corrupt conduct... to cheat in the next election." They said the Senate should remove him from office "following a fair trial."

The historic impeachment trial is set to open Tuesday.