As frustrations boiled over at restrictions imposed on people moving through the Balkans, migrants trapped on the Greece-Macedonia border tore down a metal gate in the barbed wire fence.<br />A Reuters witness said Macedonian police fired several rounds of tear gas into the crowd and onto a railway line where other migrants sat refusing to move, demanding to cross into the country.<br />Greece raced to set up temporary accommodation for a build-up of thousands of migrants stranded in the country after Austria and countries along the Balkans migration route imposed restrictions on their borders, limiting the number of migrants able to cross.<br />German Chancellor Angela Merkel, facing the biggest test of her decade in power, defended her open-door policy for migrants on Sunday, rejecting any limit on the number of refugees allowed into her country despite divisions within her government over the issue.<br />"There are many conflicting interests in Europe," she told state broadcaster ARD.
