MENA, Ark. — Authorities in Arkansas are searching for two young children whose mother was found dead in a creek.

The Polk County Sheriff’s Office said Thursday that the body of a woman discovered on Tuesday has been identified as 43-year-old Bethany Jo Wester of Mena, Arkansas.

Wester’s body was discovered in a creek southwest of Cove in far western Arkansas. Officials say her death is being investigated as a homicide although the cause of death and other details have not been released.

Authorities say her children, 10-year-old Reilly James Scarbrough and 2-year-old Acelynn Carrie Wester, are considered missing and endangered. In a statement, the National Center for Missing and Exploited Children says Acelynn was last seen on April 20 and Reilly was last seen on April 23.