Global News Hour at 6 Edmonton May 16 2018 8:11pm 01:35 Mosquitoes return to Edmonton with a vengeance They’re back and with a vengeance. Edmonton’s annual mosquito invasion is underway. Vinesh Pratap looks at anything more could have been done to prevent the pests from suddenly showing up. They’re back! Mosquitoes return to Edmonton with a vengeance Responsive site?