ACT Policing has arrested two 15-year-old females after a disturbance at Lyneham High School this morning [Thursday].
About 11.20am, police were required to attend the school after reports of two females who were unlawfully on the premises assaulting staff in an attempt to assault another female.
During the arrests a police officer was assaulted by one of the juveniles.
Police are seeking any students who may have witnessed, or recorded the assault on their mobile telephone to contact police on 131 444.
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Both females have been charged with aggravated robbery and numerous other offences and will face the ACT Childrens Court at a later date.