Source: Reuters - Fri, 24 Apr 2015 15:36 GMT
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Tensions rise ahead of election decision by president
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Nkurunziza may announce on Saturday he will run again
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Refugee numbers could surge amid fears of violence
By Clement Uwiringiyimana
KIGALI, April 24 (Reuters) - Nearly 15,000 Burundians have fled into Rwanda and the Democratic Republic of Congo since mid-March, United Nations and Rwandan officials said on Friday, amid growing fears of violence in the run-up to a presidential election on June 26.