Sydney teen allegedly stabs dad in row A TEENAGE boy has allegedly stabbed his father during an argument in their southwest Sydney home. The 52-year-old man was allegedly stabbed in the arm by his 16-year-old son when the son tried to stop an argument in the family home at Cecil Park about 10.30pm (AEDT) on Friday, police say. The boy allegedly grabbed a kitchen knife and began a fight with his father, after trying to stop his dad from arguing with his mother and sister. During the brawl, the son allegedly stabbed the father in the arm, police said. The father was taken to Liverpool Hospital in a stable condition. Police said a crime scene had been established and the son was being questioned by police.