A NARACOORTE woman's car was stopped and she was allegedly threatened with a weapon on Tuesday evening.
Police arrested the man for allegedly threatening the woman in Naracoorte.
Just before 5pm, the 21-year-old woman was driving when a man forced her stop and then threatened her with a large sharpening steel.
The 26-year-old suspect, also from Naracoorte, was located by police a short time later and arrested. The victim and suspect are known to each other.
He was charged with aggravated assault and breaching an intervention order and will appear in court later today. The victim was not injured.
Police ask anyone who may have witnessed this incident to contact Naracoorte Police on 8762 0466 or Crime Stoppers on 1800 333 000.