04/11/21 An Iowa City transient has been arrested after allegedly committing an armed robbery early Saturday morning. Police were dispatched to the 900 block of Iowa Avenue just before 3:50am for an apartment resident who had just been robbed at gunpoint by two suspects. One was described as a black male, about 5’ 10” wearing a black zip-up hoodie and carrying a small black handgun. The incident occurred less than five minutes before the victim contacted 911. Officers located a person matching the victim’s description at the intersection of Washington and Lucas streets, and he was detained. He was identified as 21-year-old Marlon Coleman.