City of the Living Dead (a.k.a. Gates of Hell, The) (Paura nella città dei morti viventi)

Summary

A woman seemingly dies of fright after participating in a séance where she sees a vision of a Dunwich priest hanging himself in a church cemetery. New York City reporter Peter Bell investigates and learns that the priest's suicide has somehow opened a portal to Hell and must be sealed by All Saints Day, or else the dead will overtake humanity.