(LONDON, Ky.) — An AR-15 rifle investigators believe was used in a Kentucky freeway shooting Saturday evening that left seven people injured and nine vehicles with bullet holes was found Sunday afternoon near the crime scene as a search for a person of interest continued, authorities said.

The person of interest wanted for questioning was identified as 32-year-old Joseph A. Couch, who the Laurel County Sheriff’s Office said is “considered armed and dangerous and should not be approached.”

The sheriff’s office released a photo of Couch, who allegedly fled the freeway shooting near London, Kentucky, and is believed to still be in the area, Laurel County Sheriff’s Deputy Gilbert Acciardo said during a news conference Sunday morning.

“We’re not listing him as a suspect at this point, but he probably will more than likely be a suspect before day’s end,” Acciardo said.

On Sunday afternoon, Acciardo said Couch’s vehicle was located in the area of the shootings Saturday night. He also said officers searching the area found an AR-15 rifle in the woods near the interstate.

The weapon, which investigators believe was used in the freeway shooting, was discovered in an area where a shooter could have “shot down upon the interstate from that wooded location,” Acciardo said.

“It’s a random act,” Acciardo said when asked about a possible motive for the shooting.

Police have received more than 100 calls from people reporting they may have spotted Couch, Acciardo said. He said authorities believe Couch is hiding in the woods near the interstate.

Acciardo described the shooting as “sniper-like” and said it was not the result of road rage. He said investigators do not believe the shooter knew any of the victims or had contact with them before the shooting.

Acciardo said that up to 60 members of law enforcement searched the area of the shooting until 3 a.m. Sunday before halting the search out of safety concerns, saying it was pitch black on the highway and describing the terrain where the search was being conducted as very rugged.

The search for Couch resumed at 9 a.m. local time Sunday, Acciardo said.

The FBI, the U.S. Marshal’s Service and the federal Bureau of Alcohol, Tobacco, Firearms and Explosives are assisting local authorities in the investigation, officials said.

The shooting unfolded about 5:30 p.m. local time on Interstate 75, near exit 49 about eight miles north of London, officials said.

Arriving deputies found nine vehicles had been shot in both the north and southbound lanes of I-75, Laurel County Sheriff John Root said at a news conference late Saturday night.

Root said deputies found five people with serious gunshot wounds, including one who was shot in the face. He said one vehicle contained two people who were shot.

Acciardo said Sunday that none of the victims suffered life-threatening injuries and were all in stable condition.

“A couple of our deputies, because of the severity of the injuries, loaded the people up, the injured persons, and transported them to London Hospital,” Root said.

Two additional people were injured in a car crash that occurred during the shooting, authorities said.

Root said I-75 was immediately shut down in both directions, saying that at the time, deputies didn’t know where the bullets came from.

“We couldn’t risk somebody else being shot,” Root said.

The sheriff declined to say why Couch is a person of interest in the shooting but did say it is “based on our investigation at the scene.”

He said initial reports that the shooting stemmed from a road rage incident were not accurate.

Root said Couch has an address in Woodbine, Kentucky, and the sheriff’s office described him as about 5-foot-10-inches tall and 154 pounds.

Interstate 75 was closed for more than three hours after the shooting as law enforcement officers worked to secure the scene and collect evidence.

Root did not immediately disclose the type of weapon investigators believe was used in the crime.

A motive for the shooting remained under investigation.

Kentucky Gov. Andy Beshear said in a statement on X that he is monitoring the situation.

In an interview Sunday on ABC’s “Good Morning America,” Christina Dinoto said she was driving with a friend southbound on I-75, heading to Tennessee, when the shooting erupted.

“All of a sudden we just heard this loud, deafening sound,” Dinoto said. “And my ear, my right ear, started ringing, and we didn’t know what the sound was, but we both looked at each other and said, was that a gunshot?”

Dinoto said that when she pulled off the interstate in Knoxville, she discovered damage to her vehicle that she suspects was caused by a bullet that may have ricocheted off another car.

The Kentucky shooting came less than a week after six people were injured in six shootings that occurred on Sept. 2 on Interstate 5 in the state of Washington between 8:26 p.m. and 11:01 p.m. local time, officials said. A suspect whose vehicle was sought in connection with several of the shootings was arrested in the Tacoma area on Sept. 3, police said.

ABC News’ Alex Presha contributed to this report.

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