OCR law - voluntary man slaughter

• what is voluntary manslaughter?

  when d appears to satisfy the AR and MR of murder however they use a defence to reuse their sentence
• what are the two defence?

  loss of control: s54 of the coroners and justice act 2009

  diminished responsibility: set out in s 2 of the homicide act 1957 and amended by s52 of the coroners and justice act 2009