The SIU is investigating an arrest in St. Catharines, at the Walmart on Vansickle Road.
NRP officers responded to a report of an unwanted man in the parking lot, early Sunday afternoon.
The SIU says there was an interaction close to a U-Haul box van.
The man was arrested and he was taken to hospital with a serious injury afterwards.
Anyone who may have witnessed this incident should contact the Special Investigations Unit by calling 1-800-787-8529.
Armed Robbery Suspect Wanted: NRP
Police say a Fort Erie store was held up
Human Trafficking Arrest Leads to Facebook
Call police if you bought items via Marketplace at a Niagara Falls house
Victims of Cold Weather to be Remembered
A vigil will be held next week at Niagara Regional headquarters
NRP to Hear of Downtown Crime
Police to address St. Catharines city council about concerns it has heard from business owners and residents
Public National Sex Offender Registry Wanted
Niagara Falls MP Fred Davies has started a petition
Wedding Arrested
Police say Ryan Wedding's international drug ring was wanted for murders in Ontario, including Niagara Falls
'The Bully of Weather is Here': Meteorologist
Environment Canada says this winter weather isn't leaving
NRP Arrest 3 in 2 Drug Busts
Police finding more fentanyl, and other drugs in St. Catharines homes