Kamala Harris made a surprise appearance at the Democratic national convention, drawing huge cheers from the crowd as she vowed to defeat Donald Trump. “With optimism, hope and faith, so guided by our love of country, knowing we all have so much more in common than what separates us, let us fight for the ideals we hold dear and let us always remember, when we fight we win!” she said in a short speech to the crowd in Chicago. “Looking out at everyone tonight, I see the beauty of our great nation.

People from every corner of our country and every walk of life are here united by our shared vision for the future of our country, and this November, we will come together and declare with one voice, as one people, we are moving forward,” she said. Ms Harris had been expected to appear later with Joe Biden, the keynote speaker on Monday. She will formally accept the nomination on Thursday.

Hillary Clinton also took to the stage at the United Centre to a standing ovation as cheers of “Hillary” echoed through the arena. The former US secretary of state and presidential candidate highlighted Ms Harris’ potential to break the “highest, hardest glass ceiling” to become America’s first female president. “Together, we’ve put a lot of cracks in the highest, hardest glass ceiling,” she said, with Ms Clinton referring to her failed 2016 attempt at the US presidency.

“On the other side of that glass ceiling is Kamala Harris taking the oath of office as our 47th presid.