Despite Sanders' calls for them to support Clinton, thousands of activists have taken to the streets during the convention this week to voice support for the liberal Vermont US senator and his progressive agenda.
Moments after Clinton became the first woman to be nominated for president by a major US political party, a large group of Sanders delegates and supporters exited the Philadelphia convention site to hold a sit-in inside a media tent.
Some had their mouths taped shut. A few spontaneously sang the chorus of the folk song "This Land is Your Land," and a banner read "we the people." They said they were holding a peaceful protest to complain about being shut out by the Democratic Party.
In the streets outside, Sanders supporters who had spent the day protesting began facing off with police. Protesters began scaling 8-foot walls blocking off the secure zone around the arena parking lot, and several were detained. An officer sprayed one of the protesters.
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The protests continued into the night with Sanders supporters and anti-police brutality protesters joining together. They marched in the street outside of the Wells Fargo Center. Later, someone set an Israeli flag on fire while people chanted "long live the intifada."
"We all have this unrealistic dream that democracy is alive in America," said Debra Dilks, of Boonville, Missouri, who said she wasn't sure she'll vote in November. "Hillary didn't get the nomination. The nomination was stolen."
"I suspect we are witnessing an event that will fundamentally change American politics," said James, of Flint, Michigan.
Earlier in the day, participants at the rally charged that Sanders was cheated out of the nomination, and they said they weren't swayed by his Monday plea to his supporters to fall in line behind Clinton for the good of the country.