President Barack Obama has asked for at least 10,000 Syrian refugees to be admitted to the United States next year, amid criticism his government has done too little to help.
France called for the "scrupulous respect by all European Union countries" of rules setting out the bloc's borderless Schengen zone.
Around 450,000 refugees have arrived in Germany so far this year, including 37,000 in the first eight days of September, Vice Chancellor Sigmar Gabriel told parliament.
EU president Donald Tusk urged a crackdown on the "murderers" among human traffickers who have killed scores of people trying to reach Europe from conflicts abroad.
Australia's hardline policy on asylum-seekers is under pressure as public sympathy for Syrians escaping conflict swells in a nation built on migration.
EU President Donald Tusk warned that the migration crisis affecting Europe was part of an "exodus" from war-torn hotspots that could last years.
The Greek island of Lesbos is "on the verge of explosion" with violence erupting as the more than 15,000 mainly Syrian refugees push local resources to the limit.
Talking about imposing quotas on how many migrants each EU member state should take in is futile as long as Europe's outer borders are not secure.
Pope Francis called on every Catholic parish in Europe to take in a refugee family, saying the Vatican's two parishes would lead by example.
Prime Minister Benjamin Netanyahu said he would not allow Israel to be "submerged" by refugees after calls for the Jewish state to take in those fleeing Syria's war.
Germany readied for hundreds more refugees to arrive from Hungary via Austria, a day after thousands were greeted, often by volunteers holding signs that read "Welcome to Germany".
Britain promised to take in thousands more Syrian refugees and give 100 million pounds in extra aid, as their plight raised pressure on European leaders.
The UN High Commissioner for Refugees called on the European Union to admit up to 200,000 refugees as part of a "mass relocation programme".
Kazakhstan has accepted five former Guantanamo prisoners seeking asylum in the country. United Nations High Commissioner for Refugees has praised the move.
An Israeli shelling on a UN school in Gaza killed 20 people early Wednesday, medics said, as Palestinian factions were to head to Cairo to discuss a temporary humanitarian ceasefire.
Hollywood star and UN refugee envoy Angelina Jolie has accepted an invitation to visit the small island of Nauru where Australia sends asylum-seekers for processing and resettlement, the government said.
Days after things nearly turned ugly here, several residents kept up their protest against a surge of undocumented migrants near the border with Mexico.
About 30 bodies have been found in a migrant boat which was stopped between Sicily and the North African coast, Italian news agencies reported Monday, citing the navy and coastguard.
Some 110,000 people have fled to Russia from Ukraine while more than 54,000 have been displaced inside the conflict-torn country, the UN said.
The number of people driven from their homes by conflict and crisis has topped 50 million for the first time since World War II, with Syria hardest hit, the UN refugee agency said.
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