Columbia University professor Prabhjot Singh was assaulted Saturday night, Reuters reported. The New York Police Department is investigating the attack as a possible hate crime, The Huffington Post reported.
Singh, a Sikh, has a beard and wears a turban. His assailants allegedly called him "Osama" and "terrorist" while knocking him to the ground and punching him in the face.
An assistant professor of public and international affairs, Singh wrote an op-ed published in The New York Times in August 2012 calling for further study of hate crimes against Sikhs.
In response to the attack, theNew York chapter of the Council on American-Islamic Relations called on religious and state leaders to make public statements against bias-motivated crimes.
A Muslim woman was allegedly assaulted and called a "terrorist" at a Times Square rallythe next day. The incident was captured on video.