German Chancellor Angela Merkel and French President Francois Hollande called for a "unified" response to the worst refugee crisis to hit the EU since World War II.
Thousands of migrants, mostly Syrian refugees, travelled through Macedonia and Serbia towards western Europe, as Italy's foreign minister said the escalating crisis threatened the bloc's "soul".
Macedonia said it would allow a limited number of "vulnerable" migrants to enter the country after sealing its border with Greece to them, leaving thousands of refugees stuck in no-man's land.
Europe's interior and foreign ministers will meet in mid-October to discuss how to respond to the huge influx of migrants and refugees arriving at EU borders.
France and Britain are to sign a deal Thursday aimed at alleviating the migrant crisis in Calais, where thousands of people desperate to cross the Channel have gathered in slum-like conditions.
EU border agency Frontex reported a record 107,500 migrants at the European Union's borders last month, as the 28-member bloc struggles to cope with a refugee crisis
German Foreign Minister Frank-Walter Steinmeier urged the European Union to negotiate with Switzerland on Bern's plans for new quotas on immigration from the bloc.
Italian Prime Minister Matteo Renzi launched a furious broadside at fellow EU leaders Thursday for failing to help deal with a tide of Mediterranean migrants.
Univision, America's top Spanish-language TV network, severed its ties with Donald Trump's Miss Universe Organization over the real estate mogul and now presidential hopeful's nasty comments about Mexican immigrants.
The Greek parliament voted in favour of a law to grant citizenship to immigrants' children who were born and raised in Greece, an issue unresolved for generations.
Hungary has indefinitely suspended the application of a key EU asylum rule, which requires a migrant's claim to be processed in the EU country they first arrive in.
Australian authorities work within the law to stop asylum-seeker boats after reports officials have made cash payments to members of people-smuggling rings for years.