HAWKESBURY, Ont. -- Police have identified an 89-year-old Quebec man as the alleged murder victim of an eastern Ontario doctor who was arrested last week.

Ontario Provincial Police say Albert Poidinger of Point-Claire, Que., died on March 25.

OPP say they were called to the Hawkesbury and District General Hospital hospital that day.

They say Poidinger was pronounced dead at the hospital and Brian Nadler was taken into custody.

Police have charged Nadler, 35, of Dollard-des-Ormeaux, Que., with first-degree murder.

OPP say they are looking into other recent suspicious deaths at the hospital.

Nadler's lawyer says his client maintains his innocence.