LAWRENCE, Mass. - A grand jury will investigate the death of an 11-year old girl who was found unconscious in an apartment in Lawrence.
Precious Wallaces was in a coma for four days before she died at the hospital in December.
Sources tell Boston 25 News she may have been exposed to a dangerous substance, such as fentanyl or opioids.
The sixth-grader from Haverhill was visiting family, who lives in the Jackson Street apartments, when she died.
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