FREDERICKSBURG, Va., June 3 (UPI) -- Police in Fredericksburg, Va., said they have arrested a man who allegedly attacked gas station customers with a rock and a fish and exposed his sexual organs.

Police spokeswoman Natatia Bledsoe said the suspect, identified as Marcellus Coleman, 21, allegedly threw a rock at a 40-year-old man who was standing at a gas pump Saturday, The Fredericksburg Freelance-Star reported Tuesday.

Coleman allegedly threw the rock, which struck the other man in the neck, because the victim was looking at him. Police said the suspect was singing loudly before the violence erupted.

The suspect was confronted by a 32-year-old friend of the man and Coleman allegedly struck him in the face with a fish he took from his car.

Coleman the allegedly threw a beer bottle onto the car the men were traveling in and exposed his genitals to the two men and a third person at the gas station before driving away from the scene, police said.

Coleman was arrested Sunday and charged with malicious wounding, destruction of property and indecent exposure. He was also charged with assault after he spit on a resident during his arrest. Investigators said the suspect believed the resident had informed authorities of his whereabouts.