CBC.caImperial Oil flaring was 'excessive,' says Sarnia fire chiefCBC.caTowering flames that seemed to surround Imperial Oil's complex Thursday evening in Sarnia were "not normal," according to the city's fire chief. Several video …

CBC.caTowering flames at Imperial Oil in Sarnia not a safety concern, says companyCBC.caCBC News Posted: Feb 24, 2017 8:36 AM ET Last Updated: Feb 24, 2017 10:17 AM ET. Videos shared on social media showed towering flames burning at Imperial Oil in Sarnia. …