Independent MP Helen Haines has been seriously injured in an incident near her electorate office in Wangaratta, north-east of Melbourne.
A witness has told the ABC they heard a bang and saw a woman pinned between two cars.
Emergency services were called to the incident in Wangaratta, just after 3.30pm.
According to Another witness, they pulled a man out of a white Landcruiser and found a knife in his pocket.