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I am sorry for your difficult situation.
So long as you can provide medical back-up for your need for this support animal and so long as the landlord would not undergo undue hardship your landlord is required to provide you with reasonable accommodations to meet your special needs. If the landlord refuses to do so then you would have a case of discrimination on the basis of disability and can file a complaint with the Human Rights Commission.
Does that help as a starting point?