Katrina Armstrong will be stepping down "effective immediately" as Columbia University's interim president, the school said on Friday. Armstrong was announced as the interim president of the New York City university in August 2024 after then-President Minouche Shafik announced her immediate resignation.

Katrina Armstrong, the interim head of the embattled university, said she regretted “any confusion” and insisted the the Trump-ordered policy changes were “real.”