Night of the Living Dead (1968)
Charles Craig: Newscaster, Zombie
Newscaster : It has been established that persons who have recently died have been returning to life and committing acts of murder. A widespread investigation of funeral homes, morgues, and hospitals has concluded that the unburied dead have been returning to life and seeking human victims. It's hard for us here to be reporting this to you, but it does seem to be a fact.
Newscaster : All persons who die during this crisis from whatever cause will come back to life to seek human victims, unless their bodies are first disposed of by cremation.