SASKATOON -- After an extensive investigation involving more than 30 interviews, RCMP believe 39-year-old Tammy Fiddler was responsible for the death of her two children, seven-year-old Tessa and 11-year-old Wesley Bryant.

The three were found dead after a house fire in North Battleford on June 4.

RCMP, firefighters and paramedics were called to a house fire in the 1400 block of 99th Street in North Battleford.

Upon arrival, emergency responders found Fiddler dead outside the home, according to a news release.

It was reported to police that she was removed from the house by her common-law partner, who arrived moments before the emergency responders.

Firefighters found Tessa and Wesley dead.

The fire was isolated to the basement area, but there was smoke throughout the entire home, according to RCMP.

The scene of the fire has been examined and forensic autopsies were conducted on June 8 and 9.

The investigation is still ongoing. RCMP said.

If you or someone you know is in crisis, here are some resources that are available. Crisis Services Canada (1-833-456-4566 or text 45645) and Kids Help Phone (1-800-668-6868 or text CONNECT to 686868) offer ways of getting help if you, or someone you know, may be suffering from mental health issues. If you need immediate assistance call 911 or go to the nearest hospital. The Centre for Suicide Prevention is a place where resources on suicide prevention can be found.