Relatives of Canadians detained by ICE in the United States say they're furious and frustrated by the treatment of their loved ones and the battles they're having to fight for even the most basic information.

Global Affairs Canada said it's aware of roughly 55 Canadians in U.S. Immigration and Customs Enforcement custody, though it said that the numbers can fluctuate.

Cynthia Olivera — born in Mississauga, Ont., but living in Los Angeles — was arrested last month when she and her husband went to an immigration office to complete an interview for her U.S. citizenship application. Paula Callejas of Montreal was in the process of finalizing a work visa when she was arrested for a misdemeanor — and then transferred to an ICE facility.

Olivera and Callejas's families told CBC News the weeks

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