The 9-year-old girl fled to a nearby residence, where some of her extended family live, and called for help.
An Amber Alert has been issued for a 7 year old girl Hafza Hailey, who is considered to be in serious danger.
The Tulsa Police Department has issued an Amber Alert for a missing 7-year-old Monday.
The middle child told police that their mother placed socks in their mouths, bound their hands with duct tape and began stabbing the eldest child, MacKenzie said.
The 9-year-old girl was then able to go to a relative's home down the street to get help. The 11-year-old is in critical condition at a hospital in Tulsa.
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By the time police and firefighters responded, the kitchen of the house where the 11-year-old lay bleeding was on fire, and the fire was spreading.
MacKenzie told local news outlets that the 11-year-old "was stabbed so many times that officers and EMSA on scene couldn't even count them".
A 7-year-old girl is missing along with the mother, identified by Tulsa police as 39-year-old Taheerah Ahmad.
Hafza is described as a black female with puffy hair in a ponytail and painted gold bracelets on her wrists. She was last seen wearing an ankle-length peach dress Monday evening.
Police said it appeared the woman drove away from the area with the 7-year-old daughter in her vehicle. She is believed to be driving a black 2005 Lexus RX330, with an Oklahoma paper tag, number UD-4967 or a navy blue 2011 Ford Escape with Oklahoma license tag 778MNX. Earlier Tuesday morning police described her condition as "very severe" and said she underwent intubation.