Police said a man held a pocketknife to another man’s neck during a disturbance in Dubuque. 72 year old Donald Krier of Dubuque was arrested at 4:38 p.m. Sunday at his residence on a charge of assault while displaying a dangerous weapon. A report says that Krier was “nose to nose” with another man during a disturbance outside an apartment complex when Krier pulled out a small pocketknife and held it to the other man’s neck. The other man pushed Krier away, and Krier swung at the man but missed. The men then parted ways.