The family of a Police Officer shot in the line of duty. Announcer nbc 10 news starts now. A fight leads to shots fired inside a philadelphia Police Officers home. The victim is the officers relative, and hes in critical condition. Good evening. Im jacqueline london. The shooting happened inside the house on taunton street in northeast philadelphia. Nbc 10s Brandon Hudson joins us live. Brandon, police will only say the officers gun went off. Reporter thats right, jacqueline. But they wont say how it fired. That officer is being questioned. Detectives are in front of his house. You can see them right there. The crime scene unit is here. That means forensic investigators are inside the house as we speak. Police say this started as an argument and then escalated quickly. Philadelphia police cars and crime scene tape surrounded a home on taunton street where nbc 10 learned an offduty cops Family Member was shot. Police say it began as an argument between the relative and an officer around