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Maine landlord charged with manslaughter in Halloween fire that killed six

PORTLAND, Maine -- The owner of a Portland, Maine, apartment house where six people died in a fire that started hours after a Halloween party plans to plead not guilty to six counts of manslaughter.

The district attorney announced charges Friday against Gregory Nisbet stemming from the Nov. 1, 2014 fire. Plea negotiations broke down days earlier.

A defense lawyer says the facts of the case don't support a manslaughter conviction.

Investigators determined the fire was accidental, although finding the house didn't have functioning smoke detectors, and also said they believed Nisbet operated the property as an illegal boarding house.

A lawsuit against him alleged an emergency exit was impassable. The families of four of the six people who died have sued Nisbet.