The Codiac RCMP are investigating how a young person in Moncton wound up with a bag of prescription pills after an evening of trick or treating.

Codiac RCMP Const. Damien Theriault said a child was given a bag of candies on Monday. But when the treat bag was opened up later, it turned out that candy was not the only item in it.

"A kid would have found a few prescription pills at the bottom of his bag. It appears to be an isolated incident though," Theriault said.

"There were several kids together and only one found anything."

Theriault said the police do not know yet what kind of prescription pills they were.

He said there were no other serious incidents reported in the Moncton area on Halloween.