Boulder police are investigating an alleged assault which took place during the early-morning hours of Sunday, Sept. 9, 2012 on the Hill.

The assault occurred near Broadway and Regent Drive. The 19-year-old victim told police that he was with a small group of male friends around 12:15 a.m. when they exchanged words with another group of young men, who were across the street on Broadway.

The victim says that the other group of men crossed Broadway and became aggressive with his group of friends. The victim says that one of the males began hitting him in the face, and that he fell to the ground. When comments were made about calling the police, the group of males fled going south towards Baseline.

Police were contacted after the incident while the victim was at the hospital receiving treatment. He says neither he nor his friends recognized any of the young men who became aggressive with them.  The suspect was subsequently contacted by a witness and seemed to brag about the assault.  He may have sustained minor injuries to his left hand resulting in bloody knuckles.

A witness to the assault was able to provide information for the Boulder Police Department’s sketch artist, and police are releasing the attached sketch of the suspect who is believed to be responsible for the assault.

The suspect is described as a white male, believed to be in his late teens to early 20’s, approximately 5’10” – 6’ tall and 180 lbs.  He has dark brown curly hair.  He was seen wearing a long tank top with wide horizontal stripes described as green and black in color.  He was wearing a dark beanie cap and cargo-style shorts.

Anyone who may have been in the area of Regent and Broadway and who may have seen the altercation is asked to contact Detective Heather Frey at 303-441-3369.  Those who have information but wish to remain anonymous may contact the Northern Colorado Crime Stoppers at 1-800-222-TIPS (8477) or 1-800-444-3776. Tips can also be submitted through the Crime Stoppers website atwww.crimeshurt.com. Those submitting tips through Crime Stoppers that lead to the arrest and filing of charges on a suspect(s) may be eligible for a cash reward of up to $1,000 from Crime Stoppers.