The search for Lilly and Jack Sullivan will continue Sunday in Nova Scotia.

On Saturday the search resumed on Gairloch Road, Lansdowne Station as the missing persons investigation into the disappearance of the children continues.

RCMP say more than 75 trained searchers from ground search and rescue organizations, including, Colchester County, Pictou County, East Hants, Halifax, Strait Area, Springhill and Pugwash were engaged Saturday in an effort to advance the ongoing investigation and locate the six and four-year-olds.

Searchers focused on specific areas around Gairloch Road and the nearby pipeline, where a boot print was previously located.

RCMP ask the public to avoid the search area.

They say any future searches will be determined based on the investigation.

It’s been fjust over four weeks since the children went missing from their home in Landsdowne Station.