Police in California are searching for at least one gunman after a mass shooting in the city of San Bernardino.
There are reports that at least 3 people are dead and at least 20 wounded.
Police are currently searching for at least one suspect.
Marie Henning, was working in a nearby office whern the incident began...
IN: I was sitting...'
OUT: '...protective gear'
DUR: 20 secs