From USA TODAY.

New York City Mayor Zohran Mamdani’s four-year term leading the nation’s largest city began Thursday with a seven-block long street party and guest appearances at his inaugural ceremony from the leading lights of the left.

On a freezing New Year’s Day, the 34-year-old democratic socialist was sworn on the steps of City Hall by Sen. Bernie Sanders after an introduction by Rep. Alexandria Ocasio-Cortez.

Live updates: https://www.usatoday.com/story/news/politics/2026/01/01/new-york-mayor-zohran-mamdani-inauguration-updates/87928730007/

Sign up for our newsletter for the day’s top stories, from sports to movies to politics to world events: https://profile.usatoday.com/newsletters/daily-briefing/