BROCKTON, Mass. —  A first grader was suspended for three days after school officials said he sexually harassed a girl in his class by allegedly putting two fingers inside the girl's waistband while she sat on the floor in front of him.

The boy's mother, Berthena Dorinvil, said she "screamed" about last week's suspension from Downey Elementary School, and added her son doesn't know what sexual harassment is.

"He doesn't know those things," she told The Enterprise of Brockton. "He's only 6 years old."

School officials declined comment to The Enterprise, citing the child's age.

"They would have not suspended the child without doing an investigation," said spokeswoman Cynthia McNally.

Dorinvil said the school principal, Diane Gosselin, called her to pick up her son Jan. 30. She said her son asked the principal if the police were going to come get him.

The principal told Dorinvil the girl complained to the teacher after her son touched the girl's waistband, hitting her skin, in a room full of children.

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Dorinvil said her son told her he touched the girl's shirt, not her skin, after the girl touched him.

"He was playing with her," Dorinvil said.