Another class action launched against WA government over treatment of Banksia Hill detainees

Banksia Hill is Western Australia's only detention centre for juveniles. (ABC News: Manny Tesconi)

The WA government is facing a fresh lawsuit in the Federal Court over its alleged unlawful treatment of juvenile detainees at a controversial unit in the adult Casuarina Prison.

The new class action, launched on behalf of teenage inmates kept at Unit 18, was filed and accepted by the court last week.