The US Senate has rejected repeated Democratic attempts to secure new evidence in President Donald Trump's impeachment as his trial began.
President Donald Trump reacted on Tuesday to a series of missile strikes on American targets in Iraq.
President Trump has threatened severe sanctions against Iraq after its parliament called on US troops to leave the country.
At least five people have been stabbed at the house of a rabbi in New York state, police say.
The White House sought to freeze aid to Ukraine just 91 minutes after President Trump spoke to President Volodymyr Zelensky by phone in July, a newly-released government email has revealed.
Donald Trump has become the third US president in history to be impeached by the House of Representatives, setting up a trial in the Senate that will decide whether he remains in office.
President Donald Trump has lashed out over his impending impeachment in an irate letter to top Democrat Nancy Pelosi, accusing her of declaring "open war on American democracy".
Donald Trump held a closed-door meeting with the Russian foreign minister, Sergei Lavrov, at the White House on Tuesday, but the two men gave diverging accounts of what was discussed, on a day articles of impeachment were announced against the US president.
Russia's unmanned Luna-25 spacecraft has crashed into the Moon after spinning out of control, officials say.
Donald Trump has confirmed that he will not take part in Republican presidential debates with his rivals in the race for the White House.