A graduate student was assaulted and robbed Tuesday afternoon in Morningside Park, near West 121st Street.

The aggressors­—four young men, one wielding a gun and another a knife—beat the student’s head and body, knocking the student to the ground. The assailants, described as two black and two black or dark-skinned Hispanic men between the ages of 16 and 20, between the heights of 5-foot-10-inches and 5-foot-11-inches and the weights of 150 and 170 pounds, were dressed in dark clothing, with one wearing a bubble jacket. All four remain at large.

The 26th Precinct, which is handling the case, the Deputy Commissioner for Public Information, and Columbia Public Safety all declined to comment. Individuals with additional information are encouraged to call Detective Shannon of the 26th Pct. Detective Squad at 212-678-1351, ext. 52-53.