Homicide investigators have been called in after a person in Pickering found burned human remains in a shallow grave, police say.

Durham police said on Sunday they attended an off-road ATV trail near Concession Road 8 and Sideline 20 following the grisly discovery. 

A post-mortem will be conducted to determine more details about the deceased, Durham Regional Police police said.

Forensic investigators are working alongside the Office of the Chief Corner and a forensic anthropologist to recover the remains, they said.

Anyone who used the off-road ATV trail in the past three weeks is being asked to come forward and speak with investigators by calling 1-888-579-1520. Anonymous information can also be sent to Crime Stoppers at 1-800-222-8477.