fireworks buffs in some us cities are in for a dud of a july 4 holiday as supply chain disruptions deny them the traditional pyrotechnic shows lighting up the summer sky industry representatives said sunday displays have been canceled in cities across the united states including phoenix arizona sacramento california minneapolis minnesota and college park maryland steve houser president of the national fireworks association said on cnn i think a lot of the really big shows the companies are obviously working very hard to keep those open because they draw such a level of attention you know things like washington chicago new york a lot of the midmarket sizes theyre the ones that are suffering i think the most among other things he said prices have surged shipping used to cost 9800 per container but has spiked to 36000 houser said supply chain snarls throughout the pandemic have been exacerbated by strict covid19 lockdowns abroad and russias invasion of ukraine limiting product supply and driving up costs for what is available fireworks are only the latest casualty of this mess college park near washington dc cited covid19s continued impact on the supply chain as the reason for calling off the show as did phoenix the cal expo state fair in sacramento said it was also facing staffing shortages ocean city maryland and tempe arizona have also called off the fireworks on americas birthday and many communities in texas have been banned from setting off fireworks because of wildfire hazards due to recent hot dry weather