(a) A person commits the crime of assault in the first degree if:
(1) With intent to cause serious physical injury to another person, he causes serious physical injury to any person by means of a deadly weapon or a dangerous instrument; or
(2) With intent to disfigure another person seriously and permanently, or to destroy, amputate or disable permanently a member or organ of his body, he causes such an injury to any person; or
(3) Under circumstances manifesting extreme indifference to the value of human life, he recklessly engages in conduct which creates a grave risk of death to another person, and thereby causes serious physical injury to any person; or
(4) In the course of and in furtherance of the commission or attempted commission of arson in the first degree, burglary in the first or second degree, escape in the first degree, kidnapping in the first degree, rape in the first degree, robbery in any degree, sodomy in the first degree or any other felony clearly dangerous to human life, or of immediate flight therefrom, he causes a serious physical injury to another person; or
(5) While driving under the influence of alcohol or a controlled substance or any combination thereof in violation of Section 32-5A-191 he causes serious bodily injury to the person of another with a motor vehicle.
(b) Assault in the first degree is a Class B felony.