Six Iranian migrants have sewn their mouths shut during a protest near the village of Idomeni at the Greek-Macedonia border.
They took the action Monday, November 23, 2015, as several hundred migrants, many from Iran and Morocco, protested for a fourth straight day at the border.
Macedonia and other Balkan countries have toughened criteria for border crossings in the wake of the deadly Nov. 13 Paris attacks.
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Police say 2,900 people crossed the border into Macedonia in the 24 hours before 6 a.m. Monday, down from more than 6,000 on the previous day.