Police in Downpatrick are appealing for information on an incident on the Strangford Road Ardglass on 24 October 2012.
They responded to a report of an attempt to steal a car at a house in the area and when they arrived they were confronted by a masked man. The man was pursued by officers and arrested on suspicion of possessing an offensive weapon.
Officers would like to speak to motorists or anyone else who was in the area at that time and witnessed an altercation prior to police arrival. They can be contacted on 0845 600 8000.