The whistleblowing website WikiLeaks has released approximately 20,000 emails from Hillary Clinton's campaign team just two days before the Democratic Convention convenes.
The documents make clear how hard fought the primary battle with Senator Bernie Sanders was.
In one email, Democratic Party head Debbie Wasserman Schultz describes a Sanders' representative as a "damn liar".
Other emails also detailed how donors were rewarded with access to parties and free tickets.
WikiLeaks says the 19,252 emails are part of its new Hillary Leaks series.
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The party's convention opens on Monday in Philadelphia. Clinton is expected to be formally nominated as the party's presidential candidate.
