A strike by 10,000 Air Canada flight attendants has been deemed illegal, and workers ordered back on the job. The ruling from the Canada Industrial Relations Board comes after the flight attendants defied an earlier return-to-work order that also told them to submit to arbitration.

With flights grounded and travel plans thrown into disarray for thousands of Canadians, many have written to CBC News asking about the dispute — including clarification on recent interactions between the federal government,