The Montana Department of Justice has issued a Missing-Endangered Person Advisory for 4-year old Anthony Jimenez, Jr., and 3-year old Armando Jimenez.
According to the Billings Police Department, the two children were taken by their non- custodial mother, Tanisha Rue Brady.
Brady is 22 years old with brown hair and brown eyes.
Authorities believe they are with two other unknown individuals in a gold passenger car, possibly a Pontiac; their direction of travel is not known, but they may be heading toward a Montana Indian reservation.
No other details have been released.
Anyone who sees them or has any information is asked to call 911 or Billings Police Department at 406-657-8461.
(UPDATE, 7:10 pm) The Missing Endangered Persons Advisory has been cancelled; both boys have been found. No other information has been released.