PRESQUE ISLE, Maine — Nearly 24 hours after a shooting in Presque Isle that left a man critically injured, Maine State Police has arrested one of two suspects identified Monday.

Jomo White, 31, was arrested Tuesday morning without incident, police said. They're still looking for Jason Alexander of Blaine, Maine. Both men are suspects in the shooting that happened Monday morning on Northern Road.

Alexander, 44, is considered "armed and dangerous."  He's described as a white man who is 5 feet, 9 inches tall and 220 pounds with brown hair and blue eyes.

A $500 reward is being offered for a tip that leads to finding Alexander. 

State police said Monday that a man called 911 around 5:45 a.m. reporting that he'd been shot. Officers provided first aid and paramedics rushed him to Northern Light A.R. Gould Hospital, where he underwent surgery.

The man was later flown to Northern Light Eastern Maine Medical Center in Bangor, where as of late Monday night he remained in critical condition.

State police said they interviewed several witnesses Monday, and both their investigators and officers from the Presque Isle Police Department identified White and Alexander as suspects and issued warrants for their arrests.

White's last known address was in Atlanta, Georgia.

L-R: Jomo White, 31, of Atlanta, Ga.; Jason Alexander, 44, of Blaine, Maine
via Maine State Police

If anyone sees either Alexander, you're asked to call the Maine State Police at 207-532-5400, the Presque Isle Police Department at 207-764-4476, or the Aroostook County CRIME STOPPERS at 800-638-8477.

State police note that anyone found to have aided either White or Alexander in evading arrest will be subject to prosecution.

RELATED: Gunman at large, Presque Isle communities on lockdown

Several schools and businesses were closed Monday as a precaution, but police said they're considering it "isolated" and that the parties involved know each other. The public was asked to remain vigilant but continue normal routine.

State, county and local police were still in Presque Isle late Monday night investigating, with state police processing the crime scene.