Perth teenager charged with murdering his mother and attempting to kill sister

Police found woman dead in Bentley home and seriously injured girl on nearby highwayFollow our Australia news live blog for latest updatesGet our breaking news email, free app or daily news podcastA teenage boy has been charged with murder after he allegedly killed his mother with a knife and stabbed his little sister, who managed to flee to get help.The 16-year-old boy was charged on Wednesday with one count of murder and one count of attempting to unlawfully kill after...