The Texoma Council of Governments says the 911 lines are down in Cooke County.
TCOG says a fiber optic line betwen Denton and Aubrey was cut, and the lines will be down until about 11 pm Thursday.
They say some land linees may work, but cell phone calls to 911 will not go through.
If you have an emergency call the Cooke County Sheriff's Office at
(940) 668-3471, or Gainesville Police Department (940) 668-7777.