Attack without a weapon resulting either in no injury, minor injury (e.g., bruises, black eyes, cuts, scratches, or swelling) or in undetermined injury requiring fewer than two days of hospitalization. Also includes attempted assault without a weapon. With minor injury: An attack without a weapon resulting in injuries such as bruises, black eyes, cuts, or in undetermined injury requiring fewer than two days of hospitalization. Without injury: An attempted assault without a weapon, but not resulting in injury. (https://www.bjs.gov/index.cfm?ty=tda)