Canadian Wildfires Trigger Air-Quality Alerts in US
Canadian wildfires have triggered air-quality alerts in the US and the smoke could cause hazy skies in Europe. Safety advisories have been issued in six states. Hazy skies can be seen across the US Midwest. The Canadian wildfires have killed two people, forced over 25,000 people to evacuate, and shut down almost 350,000 barrels of…