San Bernardino, UNITED STATES
Attendees reflect on the tragedy of Wednesday's attack during a candlelight vigil in San Bernardino,...
Attendees reflect on the tragedy of Wednesday's attack during a candlelight vigil in San Bernardino, California December 3, 2015. Authorities on Thursday were working to determine why a man and a woman opened fire at a holiday party of his co-workers in Southern California, killing 14 people and wounding 21 in an attack that appeared to have been planned. REUTERS/Mario Anzuoni