Child among four dead in California office shooting

This is the third such incident of gun violence in weeks

Four people, including a child, were shot and killed on Wednesday evening at an office building in Southern California, police said. It is the third such shooting in the United States in weeks, with 18 people killed in two separate gun violence incidents in March. The shooter, whose motivations are so far unknown, sustained a gunshot wound and was taken to hospital, police lieutenant Jennifer Amat said, adding the suspect was in a critical condition.