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Twenty-seven days after his coronation in Cleveland, Donald Trump's prospects, which were buoyed after the Republican National Convention, appear to be dwindling.

US swimmers Jack Conger and Gunnar Bentz were removed from their flight from Rio de Janeiro to the United States by Brazilian authorities, US Olympic Committee spokesman Patrick Sandusky told CNN Sports contributor Christine Brennan. Earlier this week, the two swimmers were with teammates Ryan Lochte and James Feigen, who are wanted for questioning by Brazilian police after questions were raised over their accounts of being robbed.

Donald Trump's views on Syria's opposition has shocked many activists in rebel-held parts of Syria, according to one local journalist.

Here's what you need to know about the markets before you start your business day.

The giant blimp-like Airlander 10 has completed its maiden flight after months of preparations.

Rapes, beatings and other forms of torture are detailed in a new Amnesty report, which estimates that 17,723 have died in Syrian detention centers since 2011.

A senior North Korean diplomat, along with his wife and children, has defected and reached safety in South Korea, making it the highest-level diplomatic defection from the Pyongyang regime in history.

Libertarian presidential candidate Gary Johnson said Wednesday that his party and the Green Party do not cancel each other out.

The Louisiana flooding has hit Jo Lee Misner's family hard: Her mother's house, Uncle Donald's old shop and Uncle Gary's place, they're all under water.

Green Party presidential nominee Jill Stein said Wednesday she doesn't believe either mainstream candidate is fit for the White House, brushing aside criticism that her bid could help elect Donald Trump.

At the end of day 12 in Rio, here are today's headlines:

The US government is increasingly concerned that advances in North Korea's weapons program have dramatically decreased the warning time for a nuclear attack

The dramatic journey of a four-ton elephant swept by floodwaters from India to Bangladesh has ended in tragedy.

July was the world's hottest month ever, according to NASA, the tenth month in a row to break temperature records globally.

The decision by Aetna to reduce its presence in indvidual health exchanges is a blow, but Obamacare can still be made to work, writes Dean Baker.

Rio Olympics: Was an Egyptian judo player punished for refusing to shake hands with the Israeli athlete that defeated him?

African art comes alive with a mix of photography, DNA testing and maps

By bringing on seasoned strategist Kellyanne Conway as campaign manager, Trump significantly improved his presidential prospects, says Errol Louis.

Tim Kaine on Wednesday responded to 14-year-old comments he made that President Bill Clinton should have resigned in the wake of the Monica Lewinsky scandal.

Japan's Kaori Icho won her fourth Olympic gold medal by claiming the freestyle wrestling title at Rio 2016.