I would also just add that where countries don't recognize dual citizenship and continue to refuse access, we also explore other options, alternatives, to try to reach those Canadians. For example, the International Committee of the Red Cross, which has a special mandate to visit detainees in prisons, is often able to facilitate access for us where our consular rights are not being recognized by the receiving country.
On October 5th, 2017. See this statement in context.