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MEMPHIS, Tenn. — The grandmother of a 4-year-old who was shot Sunday night in Memphis has been charged.

Diane Nellums was charged with child abuse and neglect after police say her three-year-old grandson shot his four-year-old brother inside a home on Mirror Avenue in Frayser.

Memphis Police said they initially showed up to the house just before 8 p.m. Sunday night after a report someone had fired shots at the house.

“At the time they were investigating you heard another pop. Like I said, all the other police were there and they ran in the house and found a child had been shot,” said neighbor Chris Hill.

Police said the child shot his brother in the arm. The injured victim is expected to be okay.

Nellums told officers she came out of the house and fired several shots in the ground to scare off whoever was shooting at their house. Initial information said she put the gun in a lock box but did not lock it.

In an affidavit WREG obtained Monday, police said she left the gun in plain view in the living room. The three-year-old picked it up and dropped it, accidentally shooting his four-year-old brother.

WREG discovered this wasn’t the first time Nellums has been in trouble. In 2010, she was arrested after police said she gave her sons a stick to fight other children instead of breaking it up.

Now neighbors are thankful her grandson will be okay, but said it’s a sad reminder you have to be extra cautious.

“Outta keep it locked up. You don’t fool with no guns around no children,” said Arthur Gross.