TULSA, Oklahoma - Police believe a Tulsa mother is responsible for stabbing her 11-year-old child and abducting her 7-year-old.

Officers tell News On 6, Taheerah Ahmad duct taped and gagged her three children inside the home before police say Ahmad stabbed her 11-year-old.  The nine-year-old child got out of the house and called 911, but Ahmad had already left with seven-year-old Hafza Haley.  

The stabbing victim was taken to the hospital in critical condition. 

Authorities say Taheerah and the seven year old were last seen in the 500 block of Mohawk Boulevard.

Ahmad’s vehicle is reported to be a black 2005 Lexus RX300 with a paper used dealer tag  UD-4976.  Police are also looking for a Dark blue Ford sedan or a dark blue Ford Escape with Oklahoma tag 778-MNX.

Authorities say Ahmad has lived in Tennessee, Texas, Edmond, and Bixby.

She may sometimes go by the name Kashmir Jackson.  If you have any information, police ask that you call 911 immediately.