A KNIFEMAN allegedly stabbed himself and several others following a car crash in Sydney.
Police in Australia have launched a major operation after an officer and at least three others were knifed.
Emergency crews at the scene in Engadine, SydneyIt is the latest in a series of shocking stabbing attacks in the city this year.
Police say they were called to the scene after witnesses reported a two-vehicle crash in the Engadine area at 9am local time on Sunday.
Officers arrived to find a man...