Authorities are investigating a shooting at a mosque complex in San Diego as a potential hate crime after two teenagers killed three people, including a security guard. The guard's actions are credited with preventing a larger tragedy.

Police were investigating a shooting in the US state of California as a hate crime on May 19 after a pair of teenage gunmen killed three people at a mosque complex. A security guard at the Islamic center is among the three victims, with authorities saying that his response had helped prevent a deadlier attack. FrANCE 24's Wassim Cornet tells us more.