US president lashes 'vicious crusade' against him; Democrats vow to 'defend our Constitution from all enemies, foreign and domestic' ahead of expected party-line vote

In angry letter, US president tells Speaker Nancy Pelosi that 'history will judge you harshly' for using impeachment as 'illegal, partisan attempted coup'

After 14-hour discussion, Democrat committee chairman suddenly announces panel will reconvene Friday morning, angering Republican lawmakers

US president endangers our democracy and our national security,' Judiciary Committee chairman says as House expected to vote next week on would-be third impeachment in US history

Democratic leaders expected to announce formal charges of abuse of power and obstruction of Congress as soon as Tuesday; proceedings likely to only focus on Ukraine

House Speaker Pelosi says 'the president leaves us no choice but to act' by moving forward with charges over putting personal political gain over national security interests

Legal scholars testify that Trump’s attempts to have Ukraine investigate Democratic rivals are grounds for impeachment, Republicans call proceedings a sham

US president tweets he will 'strongly consider' offer by House Speaker Nancy Pelosi on method to testify before the impeachment panel

Invitation comes ahead of second week of public hearings; Pelosi says if president doesn't like what he is hearing, he should come and talk, instead of tweeting

Lawmakers in Democrat-controlled chamber set up first showdown Thursday over probe into Trump's efforts to push Ukraine to investigate opponents by withholding military aid