Police are investigating a shooting in southeast Fresno that involved an officer.
It happened near Chestnut and McKinley.
That's where witnesses say a man pulled a knife on an officer and charged at him with it.
The officer, fearing for his life, took him down.
The man, said to be 29 years old, is listed in critical condition at the hospital.
The man's family members are responsible for calling 911, saying they were worried about his well-being.
His name has not yet been released.