A security guard speaks to a group of men at the Olympic Stadium, which is being used for temporary housing for asylum seekers, in Montreal, Quebec, Canada August 2, 2017. Picture taken August 2, 2017. REUTERS/Christinne Muschi

A group of Haitian asylum seekers sit with shopping bags outside the Olympic Stadium, which is being used for temporary housing for asylum seekers, in Montreal, Quebec, Canada August 2, 2017. Picture taken August 2, 2017. REUTERS/Christinne Muschi

A family claiming to be from Haiti drags their luggage over the U.S.-Canada border into Canada from Champlain, New York, U.S. August 3, 2017. REUTERS/Christinne Muschi

A family claiming to be from Haiti is confronted by Royal Canadian Mounted Police (RCMP) officers as they cross the U.S.-Canada border into Canada from Champlain, New York, U.S., August 3, 2017. REUTERS/Christinne Muschi

Women claiming to be from Burundi cross the US-Canada border into Quebec from Champlain, New York, August 3, 2017. REUTERS/Christinne Muschi

Refugees wait as they are boarded on a bus by the Royal Canadian Mounted Police (RCMP) after crossing the U.S.-Canada border on Roxham Road in Hemmingford, Quebec, Canada August 3, 2017. REUTERS/Christinne Muschi

Refugees claiming to be from Haiti take their luggage from their taxi as they arrive at the US-Canada border on Roxham Road in Champlain, New York USA August 3, 2017. REUTERS/Christinne Muschi

An Royal Canadian Mounted Police (RCMP) officer moves a barrier to let a bus with a family of refugees be escorted from the US-Canada border on Roxham Road in Hemmingford, Quebec, Canada August 3, 2017. REUTERS/Christinne Muschi

Refugees are processed by the Royal Canadian Mounted Police (RCMP) after crossing illegally into Canada at the US-Canada border on Roxham Road from Champlain, New York August 3, 2017. REUTERS/Christinne Muschi

Three families claiming to be from Burundi wait to be processed after crossing the US-Canada border into Quebec from Champlain, New York, August 3, 2017. REUTERS/Christinne Muschi

A refugee family claiming to be from Haiti take their luggage from their taxi as they arrive at the US-Canada border on Roxham Road in Champlain, New York USA August 3, 2017. REUTERS/Christinne Muschi

Raed Alakhras from Syria arrives on Roxham Road by taxi with his family to cross the US-Canada border into Canada from Champlain, New York, August 3, 2017. REUTERS/Christinne Muschi

A family gets out of a taxi at Olympic Stadium, which is being used as temporary housing for asylum seekers, in Montreal, Quebec, Canada August 2, 2017. REUTERS/Christinne Muschi

Three families that claimed to be from Burundi walk down Roxham Road to cross into Quebec at the US-Canada border in Champlain, New York, August 3, 2017. REUTERS/Christinne Muschi