LOUISVILLE, Ky. (AP) _ A mother has pleaded not guilty to murdering her two children in Louisville, Ky.

Gail Lynn Coontz was arrested Thursday after police said she went to the University of Louisville and briefly held a counselor hostage. She was charged with killing her 14-year-old son and 10-year-old daughter at their south Louisville home.

Authorities found the children's bodies after going to check on the home after the incident at the university.

Copyright 2008 The Associated Press.