Father of boy held in Georgia school shooting is arrested

The father of a 14-year-old boy accusing of killing four people at his high school in the US state of Georgia on Wednesday has been arrested.

Colin Gray, 54, is charged with involuntary manslaughter, second-degree murder and eight counts of cruelty to children, according to the Georgia Bureau of Investigation.

Authorities have charged his son, Colt Gray, with four counts of murder and said they plan to prosecute him as an adult.

The shooting on Wednesday at Apalachee High School in the city of Winder left two teachers and two students dead, and nine others injured.

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