CHICAGO (CBS) — There were some terrifying moments for a state senator in Springfield.

On Monday, Elgie Sims (D-Chicago) said he was in his car, which has legislative plates, when a man in another car started honking and pulled up next to him.

READ MORE: MISSING: Matthew La Luz, 32, Last Seen In Rogers Park, May Need Serious Medical Attention

“The guy pulls a gun out. He pulls a gun out and says ‘let’s go,'” Sims said. “He starts pointing a gun at me. So I pull off and drive away. After January 6, there was heightened concern for these attacks on elected officials.”

READ MORE: Chicago Weather: Spotty Showers Sunday Night, Monday

The gunman was later arrested. Senator Sims has security at his homes in Springfield and Chicago.

MORE NEWS: At Least 22 People Shot, 3 Killed In Gun Violence In Chicago This Weekend

There is also more security around the capitol in Springfield.