Police are seeking to identify a suspect in a South End sexual assault involving a juvenile

The incident happened in the Hammond Street area on Saturday evening, authorities said.

The suspect wanted in Saturday’s sexual assault in the South End, according to police. —Boston Police Department

Boston police are asking for the public’s help in identifying a suspect wanted for an alleged sexual assault involving a juvenile in the South End Saturday evening.

Authorities responded to a radio call around 6:46 p.m. reporting a sexual assault inside a hallway near Hammond Street, according to a statement.

Officers spoke with the victim, a female juvenile, at the scene. The suspect was described as a white, Hispanic man in his 20s, with a slim build, who is about 5 feet, 7 inches tall. At the time of the incident, he was wearing a gray sweatsuit, according to police.

Anyone with information is asked to contact sexual assault detectives at 617-343-4400. Callers may also leave anonymous tips by calling 1-800-494-TIPS or by texting “TIP” to CRIME (27463), police said.