6:37PM UPDATE: In an update on the department's Facebook page, Grafton Police have indicated the suspect is in custody, saying "Suspect is now in custody. More info to follow..."

4PM UPDATE: Grafton Police say the incident happened at approximately 10:25 a.m. and was a report of an incident involving gunshots fired within the city. Police say through their investigation, they learned the nature of the incident appears to be a targeted drive-by shooting. The victim and suspect are known to each other. The suspect hasn't not been located by law enforcement.

ORIGINAL STORY: Authorities are on the hunt for a suspect after he shot at a vehicle near the Cenex Zip Trip in Grafton Wednesday morning.

Though officials with the Grafton Police Department have no official statement at this time, they do say an investigation is underway. Multiple reports say a helicopter was brought to Grafton, but it is unclear which law enforcement agency brought it in.

North Dakota Highway Patrol Lieutenant Troy Hischer tells WZFG News that three troopers responded to the call.

Authorities continue to search for the suspect.

Brent Nelson, Walsh County Emergency Manager, says all county buildings were locked down – and are still locked down as of 2 p.m. to all walk-up traffic. County departments are available by phone.

Grafton Public Schools was locked down for approximately an hour, according to media reports. Their lockdown has since been lifted.

This is a breaking news story. Stay tuned to AM1100TheFlag.com and AM 1100 The Flag for updates.