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BUDAPEST, HUNGARY - SEPTEMBER 09:  A young Syrian boy cries as his father carries him past Hungarian police after being caught in a surge of migrants attempting to board a train bound for Munich, Germany at the Keleti railway station on September 9, 2015 in Budapest, Hungary. Migrants in Budapest are concerned that governments will soon close or severely limit continued travel access to Austria and Germany. Since the beginning of 2015 the number of migrants using the so-called 'Balkans route' has exploded with migrants arriving in Greece from Turkey and then travelling on through Macedonia and Serbia before entering the EU via Hungary. The number of people leaving their homes in war torn countries such as Syria, marks the largest migration of people since World War II.  (Photo by Win McNamee/Getty Images)
BUDAPEST, HUNGARY - SEPTEMBER 09:  A young Syrian boy cries as his father carries him past Hungarian police after being caught in a surge of migrants attempting to board a train bound for Munich, Germany at the Keleti railway station on September 9, 2015 in Budapest, Hungary. Migrants in Budapest are concerned that governments will soon close or severely limit continued travel access to Austria and Germany. Since the beginning of 2015 the number of migrants using the so-called 'Balkans route' has exploded with migrants arriving in Greece from Turkey and then travelling on through Macedonia and Serbia before entering the EU via Hungary. The number of people leaving their homes in war torn countries such as Syria, marks the largest migration of people since World War II.  (Photo by Win McNamee/Getty Images)

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Do quotas encourage more to make dangerous journey?

CNN's Michael Holmes speaks to Leonard Doyle from the International Organization for Migration about potential unintended consequences of setting migrant quotas.

Do quotas encourage more to make dangerous journey?

CNN's Michael Holmes speaks to Leonard Doyle from the International Organization for Migration about potential unintended consequences of setting migrant quotas.