text:  who have asked other people to vote for them because they don't want to lose their vote at this crucial time. Canada's second largest airline, WestJet, has cancelled more than 400 national and international flights as its maintenance workers have gone on strike. An estimated 50,000 passengers are being affected. Their union says the airline was unwilling to negotiate. The airline's CEO blames what he calls a rogue union from the U.S. trying to make inroads in Canada.