A knife-wielding Hartland man was fatally shot by Waterville police Thursday night on Interstate 95.

Police responded to a report of an armed man — later identified as 32-year-old Eric J. Porter — who was acting erratically and threatening people in the parking lot at the Best Western Plus Waterville Grand Hotel on Main Street, the Morning Sentinel reported.

Before police could talk to Porter, he charged at a police cruiser with the knife and ran across Main Street and up to the northbound exit ramp of I-95 where officers located him sitting on a guardrail. Attempts to persuade Porter to surrender were unsuccessful, resulting in an armed confrontation where Porter was shot by Paul Heath, 26, the newspaper reported.

Massey told the newspaper that Heath had been on the force for 3 1/2 years and was put on paid administrative leave as part of standard procedure.

The Maine Attorney General’s office is investigating the shooting as is standard under law for any officer-involved use of deadly force, Mark Malon, spokesperson for the AG’s office, told the Morning Sentinel.

Katy England, spokesperson for the Main State Police, told the newspaper that state police were not involved in the incident.

The Best Western Plus Waterville Grand Hotel is located at 375 Main St., across the street from Governor’s Restaurant & Bakery.