12-year-old seriously injures boy with bookbag full of rocks; says she was sexually harassed

Story here. Excerpt:

'SEATTLE - A 12-year-old girl could face criminal charges after hitting a boy with a backpack at school.

That boy was knocked unconscious, but the girl claims the real crime is relentless sexual harassment at school.

Yesterday, 12-year-old Mark Smith was hit in the head with a backpack that some say was filled with rocks. He fell to the ground and lost consciousness after hitting his head. "I heard a thump and then I heard another thump and I woke up in a hospital bed," the sixth-grader said.
...
She says the incident came only after suffering a year's worth of relentless sexual harassment and bullying by boys at Seattle’s Denny Middle School. She says she had to stand up for herself.
...
Alexis Austin now faces a possible 90-day suspension from school, which would take effect next fall.

Police plan to send the case to King County prosecutors to see if they want to press charges.'