By James Copnall,
Campaign group Human Rights Watch says there has been a sharp increase in attacks on civilians in Darfur.
A civil war that began in 2003 in Sudan's Western region has flared up again in recent months.
But the conflict is receiving less attention, as Southern Sudan is about to split away following a separate civil war.
Human Rights Watch is accusing both government forces and rebels of attacks on civilians.
This week there has been fighting in Tabit, in North Darfur, which reportedly destroyed eight villages and caused thousands of people to flee the area.
Human Rights Watch says both government troops and rebel fighters targeted civilians according to their ethnic affiliations.
Both sides deny the claims.
In the early days of the war in Darfur, it was largely a conflict involving rebels from three ethnic groups perceived as African, against government troops and allied Arab militias, known as the Janjaweed. Read more >>>>>>>