ALLENTOWN, Pa. (AP/CBS) — Authorities say one of two young girls critically injured in a fall out of a fourth-story window in eastern Pennsylvania has died.

The Lehigh County coroner’s office said 3-year-old Tamara Arnette was pronounced dead just before 8:30 p.m. Friday at Lehigh Valley Hospital-Cedar Crest.

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Authorities say an autopsy was performed Saturday morning and the cause of death was multiple blunt force injuries from the fall. Her death was ruled an accident.

Allentown police say she and a 5-year-old girl fell from the apartment building window shortly before 8 p.m. Friday. The older child was last reported in critical condition.

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Witnesses told The (Allentown) Morning Call that they saw a window screen fall to the ground and then the children fell. A small, child-sized chair could be seen in the window of the building.

Police say the cause of the accident is under investigation.

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