Naperville police were called to a home on Whispering Hills Drive at 3:41 a.m. for a report of a robbery in progress.
Someone had broken in and gotten into a fight with a resident, who suffered minor injuries.
The suspect took off in a dark-colored minivan.
Naperville police said this was not a random act.
If you have information, Naperville Police would like to talk with you at (630) 420-6666.