The UN is warning that prolonged fighting in Ethiopia could open the way for more human rights violations.
It has released a report on fighting in the northern region of Tigray, in conjunction with the Ethiopia Human Rights council .
The Ethiopian government plans to step up its security after declaring a state of emergency .
Coletta Wanjohi reports from Addis Ababa :
IN: "The report...."
OUT: "...be vigilant"
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