The Montana Department of Justice has issued a missing endangered person advisory for two children taken from foster care in Billings by their non-custodial mother.  KTVQ.com reports that the girls, 15-year-old Susanna Gibson and 13-year-old Kadance Spencer, are believed to be in danger and headed to California.  Their mother, 35-year-old Tianna Pantalion, is possibly driving a black 2007 Pontiac G6 with license plate number 3-48923C.

Susanna is 5 feet 4 inches tall, 120 pounds, with green eyes and brown hair.  Her lips and ears are both pierced, and she was last seen wearing a black tube top, black shorts, black leggings with holes and a black backpack.  Kadance is 5-foot-3, 105 pounds, with green eyes and brown hair.  She was last seen wearing a multicolored shirt and jeans.

Call Billings police at 406-657-8460 or 911 with any information.