Transport Canada said Monday passengers may only carry medical devices, small purses, cameras, laptop computers, canes, walkers, diaper bags, musical instruments and bags containing "life-sustaining items."
Transport Canada said in a statement they are trying to alleviate the backlog at security checkpoints.
Police are now helping with security at the nation's airports after Transport Canada requested assistance.
Authorities are also performing a secondary search of passengers after they pass the main security check point.
It says the measures are expected to remain in place at for several days.
The Associated Press