Collapsing sewer tunnels, botched repairs and a firm silenced for exposing failures—Melbourne Water faces scrutiny over hidden underground risks and wasted millions. https://tinyurl.com/2xky3tw8 *More top stories:* - Thousands of dead fish, a $37m federal promise and an animal close to extinction: Australia’s ‘salmon war’ gets ugly: https://tinyurl.com/5v543xct - ‘Got any men’s sport?’ Outrage over radio host’s Matildas comments: https://tinyurl.com/ymrfa8eb