A Columbia University leader’s arrest by immigration officers over protests against Israel’s Gaza war has stirred controversy. The campus union revealed the incident following US President Donald Trump’s threat to deport foreign pro-Palestinian student demonstrators. Trump’s strong stance against the student protest movement connected to the Gaza conflict includes a promise to expel foreign students involved in demonstrations. The leader’s arrest has sparked concerns about freedom of expression and the right to protest on college campuses. The incident highlights the challenges faced by international students in the current political climate. Stay updated on this developing story for more details.