ST. CLOUD - A 26-year-old Iowa man has been arrested for allegedly assaulting the mother of his child, and threatening several other people.

St. Cloud Police say the incident happened just before 6:30 p.m. last (Tuesday) night in the 500 block of 15th Avenue Southeast.

Derek Graybill of Waterloo was allegedly attacking the woman when he was confronted by a group of witnesses.  He then pulled a knife and threatened to kill them.

He's being held in the Benton County Jail.