The young politician, the first Muslim to lead the largest city in the US and firmly on the left, filled his inauguration ceremony on Thursday with symbolic gestures. Elected on a pledge to make New York more affordable, he said he intends to govern 'expansively and audaciously.'

Zohran Mamdani has been sworn in as mayor of New York City, becoming the first Muslim to hold the office.

Zohran Mamdani is sworn in as NYC's first Muslim mayor at historic subway station, promising transformative change for the city.