Queensland’s hotel quarantine system has been deemed insufficient by the states chief health officer Dr Jeannette Young as the state grapples with its fifth potential leak of COVID19 in two months.A teenager and two men have been charged with murder after a man was shot dead and several other people injured in a terrifying Ipswich street brawl.At least one Queensland teacher is being violently ­assaulted at work every day with 320 WorkCover claims lodged in the past 12 months.Aussie scientists believe they have found a game-changing drug to cure the deadliest type of ovarian cancer.For updates and breaking news throughout the day take out a subscription at couriermail.com.au.