OMAHA, Neb. (AP) — A 19-year-old woman on probation for stabbing a classmate in a Lincoln high school bathroom in 2013 is accused of starting a fire in a Metropolitan Community College bathroom.

Sarah Piccolo was arrested Saturday on suspicion of arson. She hasn’t made an initial court appearance, and online court records don’t list the case yet so it’s not clear if she has a lawyer.

Firefighters determined that the fire in the bathroom Saturday morning was set intentionally.

Piccolo was sentenced to five years of probation for using a hunting knife and a claw hammer to attack a 17-year-old girl at Lincoln Pius X High School in October 2013. The girl was hospitalized.

Piccolo was 16 in 2013 but was being prosecuted as an adult.

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