Ellie Aghayeva, a Columbia University General Studies student from Azerbaijan, was arrested by ICE agents early Thursday morning at her university-owned residence. According to University President Claire Shipman, federal agents impersonated New York Police Department officers to gain entry to the building. Aghayeva was released from ICE custody Thursday afternoon and posted on Instagram that she was "safe and okay." Her student visa had been terminated in 2016 for failing to attend classes.