A major search in relation to the disappearance of a Yarmouth’s Zach Lefave.

The Southwest Nova Major Crime Unit says about 100 searchers will be in Plymouth, Yarmouth County on Saturday and Sunday.

They say it’s related to the investigation into Lefave’s disappearance in the early morning hours of New Year’s Day, 2021, over four years ago.

He was last seen walking on a road in the community just after midnight.

The case was added to the province’s major unsolved crimes program.

Police are asking people to exercise caution in the area this weekend.

We’ve reached out to RCMP for details.