It's time for the weekly CBC Ottawa news quiz
What created an "exceptionally unsafe" environment at the Queensway Carleton Hospital earlier this year?
Why is a communications firm threatening to sue one of the lawyers at the Emergencies Act inquiry?
And what big change will come into effect at OC Transpo when a major winter snowstorm is on the way?
These are just a few of the questions designed to vex and perplex you in this week's CBC Ottawa news quiz.
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