Zohran Mamdani delivered a political earthquake Tuesday in New York City’s Democratic mayoral primary, riding progressive demands for change in a city facing an affordability crisis to the brink of a stunning victory.

What to know about the democratic socialist and political newcomer who is running to be the next mayor of America’s most populous city.

Slickly produced social media videos set out Zohran Mamdani's vision for tackling the cost of living crisis - with ambitious policies paid for by new taxes on the rich.