Good morning. Federal police say the vandalism of a defence manufacturer in July last year is being investigated as an act of terrorism by “far-left extremists”.Meanwhile, Aboriginal community police officers are suing Northern Territory authorities after years of alleged racial abuse, discrimination and underpayment left them “numb” and dreading putting on their uniforms.The world’s oil companies are facing calls to stop “cashing in on human misery”. And we take a look at sexual enhancement supplements – do they work?AustraliaThe former Aboriginal community police officer who leads the NT class action says decades on the job left him dreading putting on the uniform. Photograph: Carly Earl/The Guardian

‘It was systemic’ | Aboriginal community police officers are suing the NT government and police force alleging discrimination, underpayment and the widespread use of racist slurs.

Lovitt Technologies | Protesters who vandalised a defence manufacturer and set vehicles alight in Melbourne could face life imprisonment, with the incident investigated as an act of terrorism.

‘Real challenges’ | Reading and writing scores are going backwards in almost every age group in Australia’s national standardised school tests, with one in three students failing to meet Naplan benchmarks.