a single incidence suggests nothing. there has to be a long history for any such incidence to occur.
small minded people would like to blame one of the community or one person - thinking by doing so they have solved to riddle.
why no one makes a movie about identity crisis, poverty, non-education & unemployment leading to misplaced anger in a person living in any community? why nobody shows how people in power or power aspirants using such fools for their own sake?
whether it's Hindu or Muslim, Black or white - it's all same. Few criminal minded men have tendency to fight & kill & rape - they find reasons which can justify the violence. watch Raman-Raghav 2.0 for more clarification.