There is "no reason to believe" that Prince's death was suicide, the sheriff of the Minnesota county where the singer had his home has said after a post-mortem examination.

Barack Obama urges the UK to stick with the EU, as he starts his final trip to Britain as US president by having lunch with the Queen.

The Barcelona talisman Lionel Messi, who was in the country ahead of World Cup qualifiers for his national team, and POTUS's daughters weren't able to connect, but Messi made good on the missed opportunity. He signs a pair of his No. 10 national team jerseys for the two and sends them to the White House.

President Barack Obama tells a nuclear summit in the US that the threat of a nuclear terrorist attack persists and the world must be resolute in foiling it. More than 50 nations were represented at the summit.

The US say it will remain beside Bangladesh in the ongoing fight against violent extremism and terrorism, which threaten societies that cherish basic human freedom.

This is the first visit by an American president to Cuba in 88 years.

Barack Obama and his Cuban counterpart Raul Castro vow in Havana to set aside their differences in pursuit of what the US president calls a "new day" for the long bitterly divided neighbors.

Barack Obama landed in Cuba for a historic visit to end a half-century-long Cold War standoff, although rain and a no less heavy police presence dampened the festive mood.

Michelle Obama, the First lady is due to leave the White House in January 2017 as her husband’s presidential term ends and she said she has no intentions of going back.

Virginia McLaurin, 106 year-old, has waited her whole life to see an African-American in the White House. So when she finally got a chance to meet President Obama, she could barely contain her excitement.

A Bangladeshi scientist is among the three young UC Berkeley faculty members who have been named the recipients of the Presidential Early Career Awards for Scientists and Engineers.

President Obama has signed off new expanded sanctions on North Korea over its nuclear programme, weeks after it launched a long-range rocket.

On his first trip to an American mosque since becoming president seven years ago, President Barack Obama offers an impassioned rebuttal of "inexcusable" Republican election rhetoric against the Muslims community. He made the short trip to the Islamic Society of Baltimore to call on Americans not to be "bystanders to bigotry."

Private individuals will no longer be allowed to advertise guns on Facebook and Instagram, the photo-sharing service owned by Facebook.

The Obama administration confirms for the first time that Hillary Clinton's home server contained closely guarded government secrets, censoring 22 emails that contained material requiring one of the highest levels of classification. The revelation comes three days before Clinton competes in the Iowa presidential caucuses.

Brazilian President Dilma Rousseff vows to "win the war" against the Zika virus, but some experts criticized her government's response and warned the Olympics could fuel the disease's spread.

US government scientists are widely expected to announce Wednesday that 2015 was the planet's hottest year in modern times, amid mounting concerns over the pace of climate change worldwide.

US President Barack Obama is to widen background checks on buyers of firearms, in a series of measures to address gun violence.

Seinfeld kicks off the seventh season of his web series "Comedians in Cars Getting Coffee" with an interview with Obama at the White House grounds.

James Hansen, the former Nasa scientist, considered the father of global awareness of climate change, says the Paris climate talks is 'a fraud'.