Iowa City police are investigating an early morning assault in which a man accused another of being a zombie, then punched him twice. Police said the assault occurred at 1:17 a.m. Sunday at an Iowa City restaurant south of the University of Iowa campus. A man was ordering food when he was approached by another man who called him a zombie, then hit him in the eye. When the victim tried to call police on his cell phone, the man punched him again, breaking his nose. The man then ran out a back door. The victim was taken by ambulance...