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Athletes could be exposed to dangerous bacteria coming from local sewage and trash in Brazil's waters. CNN's Sanjay Gupta reports.

Activists have released a video purporting to show civilians suffering from chlorine gas exposure. CNN's Arwa Damon reports.

CNN has learned that Donald Trump, Hillary Clinton and their running mates will start receiving classified intelligence briefings as early as this week.

Republican Congressman Charlie Dent said he's not voting for Donald Trump or Hillary Clinton and the GOP must reclaim the conservative mantle.

DNC announces several of its leaders are now gone after the leak of several staffer emails that a server hack. CNN's Joe Johns reports.

Some Republicans are frustrated with Donald Trump and debating whether they could ever vote for Hillary Clinton.

CNN's Jim Acosta reports that Donald Trump told the Washington Post that he was not ready to support House Speaker Paul Ryan's re-election bid.

Donald Trump responded to President Obama who called the Republican presidential candidate "unfit" to become president. CNN's Jim Acosta reports.

TIME's Rana Foroohar on one thing both the Democratic & Republican party platforms agree on: breaking up the big banks.

Pope Francis creates commission to study the historical role of female deacons in the Catholic Church. CNN's Delia Gallagher reports.

In an interview following a rally in Ashburn, Virginia, Donald Trump says he regrets not serving in the military.

Fareed looks at how the political world has been turned upside down, with Democrats as the party of optimism and Republicans focusing on American flaws.

During a press conference, President Obama said Donald Trump is "woefully unprepared" to be president and keeps proving he's unfit for the office. CNN's Michelle Kosinski reports.

Instagram rolled out a new stories feature on iOS and Android, letting users post pictures and videos that will disappear after 24 hours. The upgrade makes the app look a lot like competitor Snapchat.

Up to 7,700 Indian workers are facing a "food crisis" in Saudi Arabia after getting laid off from their jobs.

Former aide to Chris Christie, Maria Comella, says she will vote for Hillary Clinton in November. CNN's Jamie Gangel reports.

Shannen Doherty was diagnosed with breast cancer in February 2015. The TV star is speaking out about her experience.

Laci Walker, who served under Captain Humayun Khan, said Donald Trump needs to realize that we make sacrifices everyday but there is no sacrifice like giving your life for your country.

Pop singer Kesha has dropped a civil lawsuit in a California court against her producer Lukasz "Dr. Luke" Gottwald.

Genesis Davila was stripped of her Miss Florida USA crown for allegedly violating pageant rules. Now, she is suing the pageant's owners.