An Oak Park man was robbed in the 700 block of Wisconsin Avenue at 10:30 p.m. on April 25.
The victim was walking his dog when he was approached by two men, who pushed him to the ground and struck him with a metal object, according to police. The robbers stole his cell phone and fled the scene.
The phone was later recovered near the scene of the crime.
Police Commander Roger Grivetti said the victim did not seek medical attention.