RINGGOLD, Ga. -- Authorities in northwest Georgia say a woman and her two grandchildren drowned on a farm in Catoosa County. Sheriff Gary Sisk says 60-year-old Renee Monroe, 3-year-old Regan Cohen and 18-month-old Jaxson Cohen died Monday when Monroe drove a utility vehicle into a pond on their farm near Ringgold. Sisk tells the Times-Free Press of Chattanooga that the incident appears to be accidental.