US President Donald Trump is being investigated by special counsel Robert Mueller for possible obstruction of justice, the Washington Post reports.

US President Donald Trump accuses Qatar of being a "high level" sponsor of terrorism, potentially hindering the US Department of State's efforts to ease heightening tensions and a blockade of the Gulf nation by Arab states and others.

US President Donald Trump punches back against James Comey, accusing the ousted FBI director of lying about their private conversations -- and saying he is "100 percent" willing to testify under oath.

US President Donald Trump goes on the attack after ousted FBI director James Comey's dramatic Capitol Hill testimony, claiming "complete vindication" and slamming him for leaking documents about their private conversations.

US President Donald Trump offers to help resolve a worsening diplomatic crisis between Qatar and other Arab powers as the United Arab Emirates invokes the possibility of an economic embargo on Doha over its alleged support of terrorism.

Pope Francis urges US President Donald Trump to be a peacemaker at their highly anticipated first meeting today, and Trump promises he will not forget the pontiff's message.

Prime Minister Sheikh Hasina leaves Dhaka for Riyadh on a four-day official visit to Saudi Arabia to attend the Arab Islamic American Summit at the invitation of Saudi King Salman bin Abdulaziz Al Saud.

From Riyadh to Jerusalem, Bethlehem, Rome, Brussels and Sicily, Donald Trump leaves a swirl of domestic woes behind to embark on a first foreign trip that will be closely watched in capitals the world over.

Russian President Vladimir Putin says that US President Donald Trump had not passed on any secrets to Russian Foreign Minister Sergei Lavrov during a meeting in Washington last week.

For US President Donald Trump, the measure of a country's economic strength is its current-account balance — its exports of goods and services minus its imports.

Levels of trust between Moscow and Washington have deteriorated since US President Donald Trump took office, Russian President Vladimir Putin says in an interview.

US President Donald Trump says he orders missile strikes against a Syrian airfield from which a deadly chemical weapons attack was launched, declaring he acts in America's "vital national security interest" against Syrian President Bashar al-Assad.

Contractors likely breached security and handed over documents describing the Central Intelligence Agency's use of hacking tools to anti-secrecy group WikiLeaks, US intelligence and law enforcement officials say.