Student activist Mohsen Mahdawi has attended his graduation from Columbia University, weeks after his release from federal custody.

Mr. Mahdawi, who led pro-Palestinian demonstrations at Columbia University, was released from detention late last month and allowed to travel from Vermont to get his diploma.

Freed Columbia University protester Mohsen Mahdawi was allowed to stride across the graduation stage Monday — just three weeks after being cut loose from an immigration jail. The 34-year-old, who was draped in a keffiyeh,