NIAGARA FALLS, Ont. -- Niagara region police say the body of a 49-year-old man who has been missing since Dec. 26 has been found.

The say they remains of Alexander Fraser were discovered at about 6 p.m. Tuesday at the Sir Adam Beck Generating Station in Niagara Falls.

Four Niagara Falls residents had previously been arrested and charged with first-degree murder in Fraser's disappearance.

The fourth suspect, 25-year-old Thomas Nagy, was arrested in early January.

The other three -- 20-year-old Victoria Harvey, 25-year-old Brad MacGarvie and 29-year-old Duran Wilson -- were arrested and charged days earlier.

Niagara region police began searching for Fraser after his car was found on fire in Fort Erie along the Niagara River Parkway.