France, May 11 -- Drone strikes in Sudan "accounted for at least 880 civilian deaths - more than 80 percent of all conflict-related civilian deaths" in the first four months of this year, according to the Office of the United Nations High Commissioner for Human Rights (OHCHR).

"Armed drones have now become by far and away the leading cause of civilian deaths," high commissioner Volker Turk, said in a statement, adding that the use of drones allows fighting to continue "unabated" in the rainy season, which in the past has seen a lull.

Tens of thousands of civilians been killed in the three years of war between the army and the paramilitary Rapid Support Forces (RSF) that has displaced over 11 million and pushed several areas into famine....