Seven people have been killed in the United States in mass shootings.
The incident took place in California, still reeling from a weekend gun attack in which 11 people were killed.
The state’s governor called the latest incident a "tragedy upon tragedy".
Al Jazeera’s @RobReynolds reports from California, US.
– Subscribe to our channel: http://aje.io/AJSubscribe
– Follow us on Twitter: https://twitter.com/AJEnglish
– Find us on Facebook: https://www.facebook.com/aljazeera
– Check our website: https://www.aljazeera.com/