Herve Ladsous yesterday painted a grim picture to the UN Security Council of the upsurge in fighting in Darfur's Jebel Marra area between Sudanese government forces and rebels loyal to the Sudan Liberation Army's founder Abdul Wahid Elnur.
The government has blocked access to the joint UN-African Union peacekeeping force known as UNAMID and humanitarian organisations, so the number of casualties is unknown, he said.
Darfur has been in turmoil since 2003, when ethnic Africans rebelled, accusing the Arab-dominated Sudanese government of discrimination.
Khartoum is accused of retaliating by arming local nomadic Arab tribes known as the the janjaweed and unleashing them on civilian populations- a charge the government denies.
Also Read
Ladsous, the undersecretary-general for peacekeeping, said the security situation in other parts of Darfur remains "fragile" with persistent conflicts between local tribes over land, water and other resources.
He said the political process remains "polarised" and urged the government and Abdul Wahid to immediately stop fighting in Jebel Marra and start peace negotiations without conditions.
"The pursuit of political objectives through military means over the past decade has only contributed to the prolonged suffering of the civilian population," Ladsous said.
He cited a controversy over the criteria for voter eligibility and concerns about what some call "the unsuitable timing.