Donald Trump: “If provoking an insurrectionary riot against a joint session of Congress after losing an election is not an impeachable offence,” the House of Representatives Democrats   wrote, “it is hard to imagine what would be.” Photograph: Andrew Caballero-Reynolds/AFP via Getty Images

Former US president Donald Trump is “singularly responsible” for the violence that unfolded in the US Capitol last month, Democrats in the House of R(...)

Donald and Melania Trump at the White House in Washington, DC: Mr Trump is the first US president in history to be impeached twice. Photograph: Brendan Smialowski/ AFP via Getty

Members of incoming US president Joe Biden’s cabinet moved a step closer to confirmation of their posts on Tuesday as they appeared before key Senate (...)

A group of migrants live in a shelter in the city of Matamoros, Mexico. Migrants’ hopes of reaching the US have been raised by the election of Joe Biden. Photograph: Abraham Pineda-Jacome/EPA

For Charleston Wang, a Cincinnati, Ohio-based immigration lawyer, the past four years under United States president Donald Trump have been a very stra(...)

President-elect Joe Biden speaks at an event to introduce his nominations and appointments to foreign policy. Photograph: Anna Moneymaker/The New York Times

The presidential transition officially commenced on Tuesday as president Donald Trump instructed his officials to co-operate with incoming president J(...)

Linda Thomas-Greenfield has been proposed as the new US ambassador to the United Nations. Photograph: Ahmed Jallanzo/EPA

President-elect Joe Biden pushed ahead with preparations for his incoming presidency as he unveiled his foreign policy and national security team on M(...)

 Antony J Blinken: the new secretary of state-elect  has been a close ally of Biden’s for two decades. Photograph: Stephane De Sakutin/AFP/Getty Images

Antony Blinken – secretary of state Blinken (58) has been a close aide to Joe Biden for two decades. He served as deputy secretary of state and deput(...)

Republican congressman Paul Ryan: due to meet Tánaiste Eamon Gilmore to discuss immigration reform. Photograph: Chip Somodevilla/Getty Images.

Tánaiste and Minister for Foreign Affairs and Trade Eamon Gilmore arrives in Washington today for two days of meetings with US politicians in the Gov(...)