But whatever happens in November, Mamdani already has earned the most support of any U.S. politician who endorses the movement to boycott Israel. His victory offers a clear sign that backing the movement, known as BDS, is hardly the red line that its critics long tried to make it.

Mamdani was born in Kampala, Uganda, to Indian parents and became an American citizen in 2018, shortly after graduating college.

Zohran Mamdani, a 33-year-old state assembly member and democratic socialist, came in first in Tuesday’s ranked-choice primary. Here’s what to know about his policies, personal life and past.