ABC Online | Hand grenade attack on Melbourne's Tiba clan signals escalation of gang war, police say ABC Online A hand grenade has been used to target a notorious family in a troubling escalation of gang violence in Melbourne's north-west. It is the first time a hand grenade explosion has been investigated in the state's history, Victoria Police believe ... Grenade thrown at home with mum and baby inside WWII grenade used in attack on Melbourne crime family Gangland links to World War II-era grenade thrown at Lalor house |