Chicago police arrested a man after shots were fired outside a federal building in the city early Tuesday, authorities reported. The incident occurred in the downtown area, with no injuries reported. Officers responded to the scene and found the suspect in possession of a firearm. The man was taken into custody without resistance.

The shooting happened shortly before 2 a.M. Local time, according to police. No one was harmed in the incident. The suspect's identity has not been released. Investigators are reviewing the circumstances of the shooting. The federal building was not damaged in the event.

This is the second such incident in the city this month. Law enforcement officials have increased patrols in the downtown area following a series of similar events. The police department has not yet commented on the motive behind the shooting. The case is under investigation.