Sydney man rushed to hospital after being stabbed with kitchen knife

A man has been rushed to hospital after allegedly being stabbed in the chest with a kitchen knife.

Emergency services were called to a property in North Sydney just before 3pm.

They found a man, aged in his 40s, who had been stabbed about seven times.

NSW Police have established a crime scene in North Sydney.

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He has been taken to Royal North Shore Hospital in a serious condition.

A crime scene has been established and an investigation is underway.