Article Photos: Gunfire erupts at Colo. pot event, 2 wounded 1/11

FILE - This April 20, 2012 file photo shows a cloud of smoke covering the crowd at the Denver 420 rally in Civic Center Park. Denver Police are bracing for this year's event on Saturday, April 20, 2013 which is expected to draw a record crowd of 80,000 people. (AP Photo/The Denver Post, Daniel Petty, File)