Angus Dalton A man is dead and two are seriously injured after three separate stabbing incidents broke out across Sydney since midnight, sparking three police investigations. Emergency services were called to a unit in Lethridge Park in Sydney's north-west at 1.55pm on Sunday. Paramedics treated a 34-year-old man with stab woulds, but he died at the scene. A 25-year-old man who had also suffered stab wounds was taken to hospital in a stable condition.