An AMBER ALERT is being issued at the request of Shaunavon RCMP.
Victims are 7-year-old female Luna Potts and 8-year-old male Hunter Potts.
The children are believed to be with Benjamin Martin Moore of Eastend, Sask. He may go by different names. He is described as a 50-year-old male, 5 feet 10 inches tall, 200 lbs with black hair.
They may be travelling in a 2015 dark blue Chevy Equinox, Alberta plate CGC2492.
The mother of the children, Leah Potts, is believed to be travelling with them. They may have entered the United States.
If you see Luna, Hunter, or Leah Potts or Benjamin Martin Moore or have information regarding their whereabouts, call 911 immediately or 1-877-SOAMBER (762-6237)