India, April 14 -- UN Women says sexual violence has become a defining feature of Sudan's war

Number of survivors needing support has quadrupled since conflict began

More than 4.3 million women and girls displaced within Sudan

Women-led organisations face funding shortages, insecurity and threats

Sexual violence against women and girls in Sudan has increased sharply during the country's ongoing conflict, with the number of survivors requiring support nearly doubling in two years and quadrupling since the war began three years ago, according to a new report by United Nations' agency UN Women.

The findings come as the conflict enters its fourth year, with the agency warning that abuse of women and girls has become "one of its most defi...