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Hours after Iran announced that it had shot down a U.S. drone, President Trump told journalists at the White House, "You'll soon find out" if the U.S. is planning a strike on Iran in retaliation.

"They're going to find out they made a very big mistake," Trump added, in comments that came as he met with Canadian Prime Minister Justin Trudeau.

But Trump also said he suspects that Iran's taking out the drone was not intentional, saying he finds it hard to believe.

International investigators have accused three Russians and one Ukrainian of taking part in the attack on Malaysia Airlines Flight 17, a passenger plane that was shot down nearly five years ago, killing all 298 people on board. They will face murder charges for their alleged involvement in the tragedy.

The plane left Amsterdam for Kuala Lumpur on July 17, 2014. It crashed over eastern Ukraine, a smoldering wreckage of civilian parts in the midst of a battle between Ukrainian security forces and Russia-back separatists.

Editor's note: This story contains graphic details of the actions leading up to Jamal Khashoggi's death.

A special U.N. investigator says Saudi Arabia's Crown Prince Mohammed bin Salman should be investigated in the killing of Saudi journalist Jamal Khashoggi because there is "credible evidence" that he and other senior officials in the kingdom were responsible.

Hong Kong's Chief Executive Carrie Lam has apologized publicly twice for proposing a bill to allow extraditions to mainland China, and now other senior officials have followed suit.

But a week after the legislation set off massive protests, the largely youth-driven opposition movement is keeping up its demands. Protest organizers are urging Lam to permanently withdraw the bill and resign.

Elizabeth Taylor's jewels sparkled, but a collection of Indian gems might outshine them.

When the group of Indian jewelry and artifacts goes on auction today in New York, it's expected to fetch more than $115 million — breaking the record set by the late Hollywood star's jewelry collection.

Zahura Sinan passes around wrapped candy to guests sitting on carpets in the family's living room in a village in northeastern Syria. It's to celebrate the first day of freedom for two Yazidi girls, liberated from the ISIS family who held them captive for two years.

"This is like their birthday," says Sinan's son Mahmoud Rasho, the Yazidi official who found the girls in a detention camp for ISIS families. For now, his family is taking care of the girls at their home near the city of Hasakah.

A record 70.8 million people had been forcibly displaced by war, persecution and other violence worldwide at the end of 2018, according to the latest annual Global Trends report by the office of the U.N. High Commissioner for Refugees.

A polar bear described as "starving and exhausted" and looking for food has strayed into a city in Russia's northern Siberia, hundreds of miles from the animal's natural Arctic range.

According to Reuters, the female bear who wandered into Norilsk, a major industrial town, was "visibly weak and seemly ill" and "lay despondently on the ground for hours ... its feet caked in mud."

Two members of Hong Kong's Executive Council have followed the territory's chief executive in issuing a public apology for supporting an extradition bill that continues to fuel massive demonstrations despite its suspension.

The remarks come as officials brace for the possibility of further protests in the Asian financial hub, where anger over the bill — which would allow Hong Kong people accused of certain crimes to be tried in mainland China courts — has already sparked clashes between protesters and police.

Last year, the Royal Canadian Regiment Museum in London, Ontario, installed a monument for the country's armed forces who have served in the Afghanistan war. It's a 25-ton, light armored vehicle, complete with a turret on top.

But these days, LAVs have taken on another sort of symbolism for Canada.

About a mile from the museum, workers with the Canadian division of U.S. defense company General Dynamics Corp. are building the eight-wheeled, amphibious vehicles for Saudi Arabia's National Guard.

Remember Boaty McBoatface? In the years since the naming snafu over a research vessel grabbed international headlines, Boaty has been off gathering crucial deep-sea data on the effects of climate change.

Now, the findings from Boaty's first mission are out — and they shed light on how Antarctic winds that are strengthening due to climate change are impacting sea levels.

But before we dive into what Boaty found, let's remember how it got here.

French anti-corruption police have arrested former UEFA President Michel Platini in a case related to "Qatargate" — the ongoing investigations into how Qatar was awarded the 2022 World Cup. Platini is also a former vice president of FIFA, soccer's international governing body.

A U.S. permanent resident who was recently released from prison in Iran is finally making his way back to America, where his three sons live.

Nizar Zakka, 52, who is a citizen of Lebanon, was arrested in September 2015 in Tehran while trying to leave the country and charged with spying for the U.S. He denied the charges, but he was sentenced to 10 years in Iran's Evin Prison.