Democrat Jerry Nadler speaks  on Capitol Hill in Washington, DC, US, on Wednesday. Photograph: Alex Edelman/Bloomberg

The Democratic-led US House of Representatives judiciary committee voted on Wednesday to authorise subpoenas for special counsel Robert Mueller’s full(...)

Former US vice-president Joe Biden at the Democratic National Convention in Pennsylvania in 2016. His aides he will not be dissuaded by the allegations from entering the presidential race. Photograph: Nicholas Kamm/AFP/Getty Images

Nancy Pelosi, the Democratic speaker of the US House of Representatives, offered a measured defence of Joe Biden on Tuesday, arguing that the allegati(...)

 Nancy Pelosi is applauded after her election as speaker of the US House of Representatives on Thursday. Photograph: Brendan Smialowski/AFP/Getty Images

Ebullient Democrats assumed control of the US House of Representatives on Thursday and elected Nancy Pelosi of California speaker, returning her to a (...)

Nancy Pelosi  raises the gavel after being elected as US House of Representatives speaker on Thursday. Photograph: Kevin Lamarque/Reuters

Democrats wasted no time flexing their new power in the US House of Representatives on Thursday by approving legislation backed by new speaker Nancy (...)

Nancy Pelosi in the US House of Representatives on Thursday shortly before her election as speaker. Photograph:  Brendan Smialowski/AFP/Getty Images

On a day of pomp and pageantry, ebullient Democrats assumed control of the US House of Representatives on Thursday and elected Nancy Pelosi to be spe(...)

Democrat Ilhan Omar, an immigrant born in a Kenyan-Somali refugee camp, was elected. Photograph: Craig Lassig

The election of two Muslim women to the US House of Representatives as well as the Democratic Party’s success in taking back control of the chamber ha(...)

Ethiopia’s newly elected prime minister Abiy Ahmed: widely seen as a reformer.  Photograph: Tiksa Negeri

A recent declaration by US lawmakers could signal a significant shift in Washington’s approach to addressing Ethiopia’s human rights record. Ethiopia(...)

US president Donald Trump speaks during a joint news conference with the leaders of Latvia, Estonia and Lithuania in the White House on Tuesday. Photograph: Carlos Barria/Reuters

US president Donald Trump said on Tuesday he would use military forces to protect the border with Mexico until a long-promised wall is completed and “(...)

House speaker Paul Ryan addresses the media on Tuesday.  Photograph: Joshua Roberts/Reuters

Republicans in the US Congress hit a last-minute snag on Tuesday in their drive to approve the biggest tax code rewrite in 30 years, delaying what wou(...)