St. Louis County Police stand guard as firefighters return to the QuikTrip Gas station to put out hot spots following a night of looting, rioting and arsons in Ferguson, Missouri on August 11, 2014. People are upset because of the Ferguson Police shooting and death of an unarmed black teenager Michael Brown on August 9, 2014. In all about 20 businesses sustained damage after a candlelight vigil turned violent.   UPI/Bill Greenblatt Stock Photo