The widow of Alexei Navalny said Wednesday that two independent labs have found that her husband was poisoned shortly before his death in a Russian prison.

President Donald Trump is escalating threats to crack down on what he describes as the "radical left" following Charlie Kirk's assassination, stirring fears that his administration is trying to harness outrage over the killing to suppress political opposition.

Without establishing any link to last week's shooting, the Republican president and members of his administration have discussed classifying some groups as domestic terrorists, ordering racketeering investigations and revoking tax-exempt status for progressive nonprofits. The White House pointed to Indivisible, a progressive activist network, and the Open Society Foundations, founded by George Soros, as potential subjects of scrutiny.

It's the sort of experience you just can't buy.

The carriages are being polished, the family silver is being laid out, and diamonds are being dusted off as King Charles III prepares to offer a royal welcome to Donald Trump on Wednesday for what will be the highlight of the U.S. president's unprecedented second state visit to Britain.

A coalition of leading aid groups Wednesday urged the international community to take stronger measures to stop Israel's offensive on Gaza City after a commission of UN experts found Israel was committing genocide in the Palestinian enclave.

Denmark is leading a military exercise with hundreds of troops from several European NATO members in Greenland, a maneuver that coincides with months of tensions over the Trump administration's desire for U.S. jurisdiction over the vast Arctic territory.

Immigrants are being detained while going to work, outside courthouses, and at store parking lots in Metro Boston as President Donald Trump targets so-called sanctuary cities in his effort to ramp up immigration enforcement.

Ecumenical Patriarch Bartholomew, the spiritual leader of Eastern Orthodox Christians, is making his first visit in four years to the United States, where he met Monday afternoon with President Donald Trump and is slated to receive honors for his environmental advocacy.

A World Trade Organization agreement aimed at reducing overfishing took effect Monday, requiring countries to reduce subsidies doled out to fishing fleets and aiming to ensure sustainability of wildlife in the world's seas and oceans.

Once again, an endangered orca in Washington state has been seen carrying her dead newborn calf in an apparent effort to revive it.

A flash of pink breaks the muddy surface of the Amazon River as scientists and veterinarians, waist-deep in the warm current, patiently work a mesh net around a pod of river dolphins. They draw it tighter with each pass, and a spray of silver fish glistens under the harsh sun as they leap to escape the net.