AN inmate at Whitehead detention centre was stabbed in the chest by a fellow Vietnamese yesterday. Le Khac Hien, 32, was attacked by a 23-year-old man wielding scissors at 3.45 pm. Le is in critical condition at Prince of Wales Hospital. It is the second attack in a week at Whitehead. On Tuesday, Vu Minh Phanh, 24, died from stab wounds to the chest after he tried to stop a dispute between other inmates.