The son of a Nazi party member and an admirer of Pinochet, Kast built his campaign on a promise to expel tens of thousands of undocumented migrants

Chileans will vote for a new president, with far-right candidate Jose Antonio Kast leading against leftist rival Jeannette Jara.

Ultraconservative candidate José Antonio Kast is the front-runner in Sunday's runoff presidential election, where he faces Communist candidate Jeannette Jara, a former minister…