(FILES) This file photo taken on April 18, 2016 shows supporters of the PEGIDA movement (Patriotic Europeans Against the Islamisation of the Occident) holding a poster reading &#039;Immigration quota- yes or no- by referendum&#039; during a rally in Dresden, eastern Germany.  Growing xenophobia and rightwing extremism could threaten peace in eastern Germany, voicing fears over the impact of a series of attacks against refugees in the region, warned the government on September 21, 2016. / AFP PHOTO / ROBERT MICHAEL