Canada grounds Boeing 737 Max 8s over safety concerns

OTTAWA -- Canada has closed its skies to Boeing's 737 Max 8 aircraft until further notice over safety concerns arising from the crash of an Ethiopian Airlines flight that killed everyone on board, including 18 Canadians. The "safety notice" issued Wednesday targeting the aircraft -- and a new version, the Max 9, which isn't as widely used -- followed a cascade of countries banning the aircraft. The announcement landed hours before American authorities decided to follow suit, and the company itse