Sudbury police have arrested a man who injured two people with a knife at a Cambrian College residence earlier this month. The 18-year-old, who is from Azilda, is charged with assault with a weapon and weapons dangerous. In the incident a man went to a college residence and police say he may have been looking for drugs. While there he got into an altercation with a student and another man and in the process cut them with the knife before taking off.