Karla and her mother end the speech with arms raised, saying "Hillary Clinton for president."
The convention shows another video, showing Donald Trump making commetns about Mexican immigrants ad discussing his ban against Muslims.
Eleven-year-old Karla Ortiz (with her mother, Francisca Ortiz), who was born in the U.S., is telling the story of how she fears the deportation of her parents, who are undocumented immigrants. Francisca Ortiz also addresses the delegates, in Spanish.
Many in the crowd in the arena are openly weeping.