Iraq

Zagreb shut down crossings for migrants and Belgrade followed suit in a tit-for-tat over the burgeoning refugee crisis.

The secretary of state said the U.S. would ratchet up the number of migrants Washington accepts over the next few years to help the European Union deal with the ongoing crisis.

At least 13 refugees were killed when a ferry boat hit their dinghy and two dozen other are missing in after a boat sank off the Greek island of Lesbos.

Zagreb has begun sending thousands of migrants back to hard-line Hungary, sparking a war of words between the two nations over border security.

More than 6,000 so far have entered the Balkan nation from neighboring Serbia after Hungary cracked down at its border, erecting a fence and turning back refugees with tear gas and water cannons.

Hours before a Tuesday deadline, Hungarian soldiers and police formed a human chain to prevent refugees from crossing, as they erected a fence along their southern border with Serbia.

Interior Minister Thomas de Maiziere said trains between Austria and Germany would be suspended for 12 hours "to return to orderly procedures" for entering the country.

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The chancellor's remarks came even as her deputy warned that the country was reaching the limits of how many refugees it could absorb.