Police say a man robbed another man who was putting gas in his car and the whole thing was caught by surveillance camera.
The alleged crime happened at the Shell service station at Jensen and Maple.
Surveillance footage show the man getting gas when the suspect walks up and yanks off his gold necklace. The victim started chasing the suspect through the parking lot and confronted him but the suspect turned on him and said he has a gun.
The suspect took off in a getaway car with two women inside.
If recognize the suspect, you're asked to call the Fresno Police Department.