According to police, the victim was walking along Ohio Street near Chestnut Street when the suspect approached him.
The victim fought the man, police said. He was able to get the gun, causing the suspect to run off.
Police said the victim was slightly injured in the struggle and went to Saint Joseph Hospital. He was treated for cuts to his hands and face.
The victim brought the gun to the hospital and turned it over to police.
Police tell ABC 36 News that they hope the gun will lead them to a possible suspect.
Police are asking for anyone who may know anything to contact the Lexington Police Department.