A guest at a Chicago hotel exchanged gunfire with a would-be robber inside his room late Sunday night.

Police say the man, an unnamed 53-year-old, was staying at the Godfrey hotel when an unknown individual knocked on his door at 11:30 p.m. When the victim opened the door, the attacker forced his way inside, holding a gun and demanding the victim's property, according to ABC 7 Chicago.

CHICAGO POLICE OFFICER RUN OVER WHILE TRYING TO STOP STOLEN VEHICLE

A Chicago Police officer monitors the scene after a shooting in Chicago, Illinois.

A Chicago Police officer monitors the scene after a shooting in Chicago, Illinois. (Kamil Krzacznski/AFP via Getty Images)

The victim told police the assailant began firing, and he returned fire, causing the attacker to flee the scene. The victim escaped the incident with a graze wound to the head, which was treated by first responders.

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Police have made no charges in connection with the incident, according to ABC 7. It is unclear whether law enforcement has opened an investigation to find the attacker.