Prolonged detention of children, insufficient staffing and hazardous damage to buildings are among the ombudsman’s concernsFollow our Australia news live blog for latest updatesGet our breaking news email, free app or daily news podcastDrugs are being openly dealt inside Villawood detention centre; makeshift weapons are being manufactured amid intimidation, standover tactics and a “culture of fear”; people are sleeping outside under CCTV cameras for their own safety; and children are being