The Royal Newfoundland Constabulary said Monday they have found human remains in a wooded area off Thorburn Road in St. John's.

Police will not say if they believe the remains are of a St. Philip's couple who disappeared 13 years ago — Dale Worthman and Kimberly Lockyear — but they do say the investigation into that disappearance led them to the discovery.

Worthman and Lockyear vanished from their home in St. Philip's in August 1993 and police believe foul play was involved.

Police Chief Joe Browne said investigators began searching the area on Wednesday and found something on Sunday.

"What I can confirm for you at this time is that we have unearthed what we believe to be human skeletal remains," Browne said Monday.

Browne will not say if the bones belong to one or more people or if they are male or female.

He said that once police found the bones, they stopped digging and experts from outside the department were called in to help complete the dig and analyze what had been found.

"We have to work with the chief medical examiner of the province," said Browne, noting police also have to involve a forensic anthropologist and "any other scientific expert who can provide advice to us at the scene."

Browne said the digging will take weeks to complete and will be done on hands and knees, using dust pans and small shovels.

He said the scene has been secured and eight officers are working on the investigation.