Question: when was a ceasefire agreement signed in darfur
Answer: Following the escalation of the Darfur conflict in the Sudan , Chad brokered negotiations in N'Djamena led to the Humanitarian Ceasefire Agreement between the Sudanese government and the two rebel groups , the Sudanese Justice and Equality Movement ( JEM ) and the Sudan Liberation Movement / Army ( SLM / A ) on 8 April 2004 , other signatories were Chad and the African Union .