Youth violence, increasing all over the world, has become an important issue both socially and psychologically. The consequences of youth violence are much traumatic both for themselves and for the victims and their families. The involvement of youth in political violence especially requires special attention. It is crucial to identify the youth under risk of getting involved in violent acts and develop preventive programs. This paper presents the psychological characteristics of youth and risk factors which make them available for becoming involved in violent acts and discusses the protective and preventive measures to be taken for the prevention of youth violence.