A Waterloo juvenile has been arrested for allegedly stabbing a family member, according to the Waterloo Cedar Falls Courier. Police were called to UnityPoint-Allen Hospital after a man showed up there with stab wounds around 6:30 yesterday morning. The man was treated and released. The incident happened at 1419 Upton Avenue. Iowa law prevents minors charged in a crime from being identified. The victim’s name is being withheld at this time as well to protect the identity of the minor.