OTTAWA – A man from Chicago was arrested after an incident involving a gun on the 4th of July in Ottawa. The Ottawa Police Department say they received a call around 10:15 PM from a motorist crossing the northbound Veterans Memorial Bridge, stating that another driver had allegedly cut them off in traffic then pulled what appeared to be a handgun and pointed it at them. Authorities quickly located the vehicle and took 22-year-0ld Reynaldo Diaz Jr. into custody. A firearm and ammunition were reportedly recovered from the vehicle. Diaz was charged with Aggravated Unlawful Use of a Weapon and taken to the LaSalle County Jail.