Police were called to the address in Ashington in the early hours of this morning, where they found the 20-year-old man with stab wound to the chest.
Three people have since been arrested on suspicion of wounding, and police are appealing for information about the incident.
The man is reported to be a in a critical but stable condition.
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Patient thanks the Great North Air Ambulance Service who quickly treated him and flew him to hospital.
The 16-year-old was beaten while watching a World Cup football match in 2014.