An incoming Harvard freshman from Palestine was allegedly interrogated by immigration officials for five painstaking hours then had his visa rescinded after landing in Boston because they found his friends on social media shared anti-US political posts.

Ismail B. Ajjawi, a 17-year-old Palestinian student who lives in Tyre, Lebanon, landed at Boston Logan International airport on Friday night in anticipation of starting his freshman year at Harvard University.

With classes scheduled to start next week, incoming Harvard freshman Ismail B. Ajjawi, like many of his fellow students, was set to arrive on campus for the first time this week. But the 17-year-old Palestinian’s hard-won education at perhaps the world’s preeminent university is now in doubt.

U.S. officials turned away a 17-year-old Palestinian incoming Harvard freshman last week after he was questioned about his friends’ social media posts, according to the Harvard Crimson.

The 17-year-old, a resident of Tyre, Lebanon, was deported about eight hours after arriving at Logan International Airport in Boston and said in a written statement obtained by the Crimson that immigration officials questioned him for hours and searched his phone and computer.