The driver of each vehicle involved in an accident that results in bodily injury to another person immediately shall stop the vehicle as close as possible to the scene of the accident, without obstructing traffic more than necessary. The driver of each vehicle involved in an accident that results in bodily injury to another person immediately shall return to and remain at the scene of the accident until the driver has complied with § 20–104 of this title. The driver of each vehicle involved in an accident that results in the death of another person immediately shall stop the vehicle as close as possible to the scene of the accident, without obstructing traffic more than necessary. The driver of each vehicle involved in an accident that results in the death of another person immediately shall return to and remain at the scene of the accident until the driver has complied with § 20–104 of this title. In this subsection, “serious bodily injury” means an injury that: Creates a substantial risk of death; Causes serious permanent or serious protracted disfigurement; Causes serious permanent or serious protracted loss of the function of any body part, organ, or mental faculty; or Causes serious permanent or serious protracted impairment of the function of any body part or organ. Except as provided in paragraph (3) of this subsection, a person convicted of a violation of subsection (a) of this section is subject to imprisonment not exceeding 1 year or a fine not exceeding $3,000 or both. Except as provided in paragraph (3) of this subsection, a person convicted of a violation of subsection (b) of this section is subject to imprisonment not exceeding 5 years or a fine not exceeding $5,000 or both. A person who violates this section and who knew or reasonably should have known that the accident might result in serious bodily injury to another person and serious bodily injury actually occurred to another person, is guilty of a felony and on conviction is subject to imprisonment not exceeding 5 years or a fine not exceeding $5,000 or both. A person who violates this section and who knew or reasonably should have known that the accident might result in the death of another person and death actually occurred to another person, is guilty of a felony and on conviction is subject to imprisonment not exceeding 10 years or a fine not exceeding $10,000 or both.