The US Senate failed on Thursday to overturn President Donald Trump's veto of legislation that would have ended US military assistance for the Saudi-led war in Yemen.

US officials have arrested a man in the state of Florida for making threatening and racist calls to four Democratic members of Congress.

A man from the US state of New York has been arrested and charged with threatening to murder Ilhan Omar, a newly elected member US Congress from the state of Minnesota who is a Muslim.

Both chambers of the US Congress have approved a resolution to end US support for the Saudi Arabia-led war against Yemen.

The US House of Representatives has overwhelmingly approved a resolution calling for a federal investigation into Russia's alleged role in the 2016 US presidential election to be made public.

A furious row over anti-Semitism erupted in the Democratic Party on Wednesday as its leadership attempted to pass a resolution seen as condemning language used by one of its own members.

The US president is set to suffer yet another embarrassing defeat as Republican defectors give Senate the required majority to block his national emergency.

The House oversight committee chairman, Elijah Cummings, has said he will seek interviews with Donald Trump’s children and some of his closest allies after public testimony by the president’s former lawyer, Michael Cohen.

Muslim Congresswoman Ilhan Omar has pushed back against President Trump’s calls for her resignation and accused him of “trafficking in hate.”

US House of Representative Speaker Nancy Pelosi, the top Democrat in Congress, has called on President Donald Trump to postpone his upcoming annual State of the Union address.