Global News at 6 Montreal: Aug. 17

Air Canada cancelled another 240 flights on Sunday and suspended its plans to restart operations after flight attendants defied a back-to-work order. Plus, a 22-year-old man is dead and two others are seriously injured after a triple stabbing in a park in Montreal’s Saint-Laurent borough on Saturday.

• 22-year-old man dead, two others injured after stabbing in Montreal park