Queen Elizabeth of Britain and US President Barack Obama have sent congratulations to King Bhumibol Adulyadej on the occasion of his 70th anniversary of accession to the throne.

Fresh from sewing up the Democratic presidential nomination, HIllary Clinton takes aim at her Republican nemesis Donald Trump for using divisive rhetoric that belittles women, Muslims and immigrants.

US President Barack Obama will not attend a memorial to the late boxer Muhammad Ali on Friday, the White House says.

Sixteen-year-old Ziad Ahmed is a Bangladeshi-American social justice activist whose mission is to help teenagers fight against racial, gender or any type of discrimination in the United States.

Boxing icon Muhammad passes away Friday night US time, leaving the world with one less legendary human being.

Boxing legend Muhammad Ali died of "septic shock due to unspecified natural causes", his family says.

US President Barack Obama wraps up a historic trip to Asia, where he sought to deepen US involvement by boosting ties to former adversaries in the region.

Pumping up the world economy is an "urgent priority" G7 leaders say, but left the door open for a go-your-own-way approach in a sign of lingering divisions over how to boost growth.

World leaders kicked off two days of G7 talks in Japan, with the creaky global economy taking centre stage and disquiet over China's growing influence looming over proceedings.

Deep in the heart of Hanoi, US President Barack Obama sits down for a $6 meal with celebrity chef Anthony Bourdain on Tuesday. The chef, known for his love of adventurous street food, describes the date in a series of tweets and an Instagram post.

President Barack Obama confirms Taliban chief Mullah Akhtar Mansour is killed in a US air strike, hailing his death as an "important milestone" in efforts to bring peace to Afghanistan.

President Barack Obama has announced the US is fully lifting its embargo on sales of lethal weapons to Vietnam, its one-time enemy.

The Obama administration issues a final rule to sharply cut methane emissions from US oil and gas production, to reduce methane emissions by nearly half over the next decade.

An Army captain sued President Barack Obama on Wednesday, alleging that he doesn't have the proper congressional authority to wage war against Islamic State militants in Iraq and Syria.

Up to $800m (£550m) in cash held by so-called Islamic State (IS) has been destroyed in air strikes, a US military official says.

US President Barack Obama dismisses North Korea's proposal to suspend nuclear tests if the US ends its annual military exercises with the South.

US President Barack Obama is to send 250 additional military personnel to Syria to support local militias in the fight against so-called Islamic State (IS), officials have said.

US President Barack Obama rules out US ground troops for Syria and tells the BBC military efforts alone cannot solve the country's problems.

US President Barack Obama is accused of doing Downing Street's bidding - after he said the UK would be at "the back of the queue" for American trade deals if it left the EU.

The younger generation of royals, Prince William, his wife Kate and his brother Prince Harry, host US President Barack Obama and First Lady Michelle for dinner at Kensington Palace in London, reports NBC News.