Teen girls arrested over Bellingen High School fires

Police have arrested three teenage girls over suspicious fires ripping through Bellingen High School earlier this year.

Coffs-Clarence officers executed two searches at homes in Bellingen this morning, while police combed over a Camden home in south west Sydney.

The 15-year-olds are assisting police investigations.

The infernos broke out early morning on February 24.

The alleged arson attack also seeing books strewn around the library and windows smashed.