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It was one of the most anticipated swimming races of the Rio Olympics -- and US star Lilly King backed up her fighting talk by defeating Yulia Efimova to win gold in the 100 meters breaststroke on Monday.

The presidential election could come down to Florida's rapidly growing population of residents from Puerto Rico, a reality that has set off a political gold rush in the Sunshine State.

In Italy, they've decided to fight them on the beaches.

Japan's Emperor Akihito has an unusual problem: He can't quit his job. He's not even allowed to say he wants to quit. But his job itself is not as unusual as you might think. Even in 2016, 43 countries around the world still have a monarch as head of state.

The call of a rooster is drowned out by the sounds of construction crews paid for by American dollars, reminding Martha and Artemio Mendoza of just how much their lives in Mexico depend on the outcome of the U.S. presidential election in November.

A Chinese tourist spent almost two weeks at a refugee shelter in Germany after authorities mistakenly assumed he was applying for asylum, an official with the German Red Cross told CNN.

It was one of the most hotly anticipated events of the Rio Olympics -- the men's 4x100m freestyle relay, and the crowd was revved and ready Sunday night. A lot of competitive history was at stake.

The American University of Afghanistan has temporarily suspended campus operations after two of its teachers were kidnapped at gunpoint Sunday, according to a statement released by the school.

Taiwan has strongly protested the deportation of five of its nationals from Kenya to mainland China, the second such incident in recent months.

The execution of an Iranian nuclear scientist accused of spying for the US is reverberating from Tehran to the presidential campaign trail.

CNN's Drew Griffin investigates the growing questions about whether or not Donald Trump's own businesses hire Americans first.

It is a moment that will live in political infamy. As he announced his candidacy for president of the United States, Donald Trump assailed Mexican immigrants as "people that have lots of problems." He accused them of bringing drugs and crime with them across the border and derided them as "rapists." Doubling down in the face of controversy, Trump added that they are "killers" as well. As with so much that Trump says, his comments were at once inaccurate and obscene. Recent studies show that immigration is associated with lower crime rates, and that immigrants are less likely to be criminals than are native-born Americans.

In a rare televised address, Japan's Emperor Akihito said if his health worsens he fears he will not be able to fulfill his duties.

Investigators in Afghanistan are searching for an American and an Australian who were kidnapped in western Kabul, the city's police chief told CNN.

An Iranian nuclear scientist who once claimed he was kidnapped by the CIA has been executed after being accused of spying for the United States.

Several items of US military equipment displayed by ISIS in photos published over the weekend likely was either found or captured after recent battles in eastern Afghanistan, according to a senior defense official.

Syrian rebels are vowing to retake the entire city of Aleppo after claiming to have broken a crippling government siege, in a victory that an opposition leader has hailed as "almost a miracle."