Nobody was injured and a Fond du Lac man is in custody following a disturbance involving a knife in front of an elementary school. Assistant Police Chief Steve Klein says two men got into an argument outside Evans School shortly after 3pm Wednesday. Klein says one of the men threatened the other man with a knife. Police arrived on the scene and used a Taser to subdue the armed man. The 54 year old man was transported to the Fond du Lac County Jail and faces multiple charges. The school was placed in lockdown. Klein says there were no injuries.