WASHINGTON - The FBI said on July 25 it is investigating how thousands of Democratic National Committee emails were hacked, a breach that Hillary Clinton's campaign maintains was committed by Russia to benefit Donald Trump. A statement from the FBI confirmed that it is "investigating a cyber intrusion involving the DNC," adding that "a compromise of this nature is something we take very seriously."
Associated Press: FBI investigates DNC hacking; Clinton campaign blames Russia
Supporters of former US Democratic presidential candidate Bernie Sanders hold signs at a rally at City Hall in Philadelphia on July 25, 2016, as Democrats gather to formally appoint Hillary Clinton as their candidate for the November presidential election at the Democratic National Convention.