Authorities are trying to determine what caused a fire in an East Orange  high-rise apartment building that claimed the lives of an adult and a child.

East Orange high rise fire
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WCBS TV reports the victims are a 3 year old boy and his grandmother.

The three-alarm blaze began on the 7th floor of the 10-story building at 50 South Munn Avenue in East Orange at 9:30 p.m. Sunday.

City officials say the adult was found dead on the 7th floor.

Firefighters rescued the child, who died at a hospital. Officials have not released their names because they're notifying relatives. Two others were injured.

The fire was brought under control by 10 p.m.

(Copyright 2012 by The Associated Press.  All Rights Reserved.)

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