Investigators have charged three people for a stabbing which took place in early June.
A 24-year-old man of no fixed address is charged with: robbery, aggravated assault and two counts of breach of probation.
An 18-year-old man of Wilson Road South in Oshawa is charged with: robbery, aggravated assault and possession of stolen property.
A 17-year-old Oshawa male was charged with: robbery, aggravated assault, possession of stolen property, weapons dangerous and carry a concealed weapon.
They were all held for a bail hearing.
Anyone with information about this investigation is asked to contact Det. Dellipizzi of the Central East Division Criminal Investigations Bureau at 1-888-579-1520 ext. 2764.