The suspect was described as a male wearing a gray sweatshirt with the hood pulled over his head and face and blue jeans. He was estimated to be about 6-foot-1 and 6-foot-5, the e-mail said. The e-mail said a student was walking near the area of Pasquerilla West, Pasquerilla East, Knott and Siegfried Halls when the suspect approached her from behind and pushed her against the tree. The victim said the suspect attempted to kiss her, but she broke free and returned to her dorm. Notre Dame Security Police (NDSP) is investigating an assault reported early Sunday morning, according to an e-mail sent to the student body Tuesday. NDSP is also looking into a sexual assault that occurred in December, when a student reported being forcibly fondled by another student, the e-mail said. NDSP was recently made aware of the matter, which was not directly reported to NDSP.Anyone with information is asked to contact NDSP investigations section at 574-631-5555.