Omaha police were called out to 29th and Woolworth for an assault Sunday night.
According to police, the 42-year-old victim, who lives in a basement apartment, answered a knock at the door. When he did, the suspect hit William Sidzyik over the head with a gun.
Police said a short struggle ensued before the suspect ran away. So far, no arrests have been made.
If you have any information please call Omaha Crime Stoppers at 402-444-7867.