The streets of Santiago erupted in celebration Sunday after leftist millennial Gabriel Boric became Chile’s youngest-ever president-elect with an unexpectedly large victory over his far-right rival in a polarizing race.

Boric, 35, garnered nearly 56 percent of the vote compared to 44 percent for ultra-conservative Jose Antonio Kast, who conceded even before the final result was known.

Tens of thousands of Chileans took to the streets of the capital and other cities after Kast’s concession, honking car horns in approval, brandishing pro-Boric placards, waving the rainbow LGBTQ flag and shouting: “Viva Chile!”

Fireworks lit the skies for hours on end.

“I’m thrilled, I am crying with joy. We dealt a blow to fascism!” pharmacy worker Jennie Enriquez, 45, told AFP.

“I am happy because there are going to be many changes that will help the people and the working class,” added construction worker Luis Astorga, 58.

Boric had campaigned on the