Displaced families arrive after being rescued by boat from a flooded area of Buzi district, 200 kilometers outside Beira, Mozambique on March 23, 2019.

Video. Millions driven from homes in 2020 despite COVID crisis, says UN

Filippo Grandi, the United Nations high commissioner for refugees, said conflict and the impact of climate change were among the leading sources of new movements of refugees and internally displaced people in 2020.

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