Nairobi, Jan. 24 -- Sudan hoped to begin a new year with tranquility, just weeks after the US lifted crippling sanctions and allowed Khartoum back into the international arena.

But renewed violence last week, in which at least 250 people were killed and another 3,500 displaced, according to the UN refugee agency (UNHCR), meant that Sudanese officials were on Friday back on the ground seeking peace solutions.

A statement from Prime Minister Abdalla Hamdok's office said a high-level government delegation had been sent to West Darfur to seek facts on how a stabbing incident snowballed into an ethnic clash.

Darfur, nearly the size of Kenya, had been restive during the Omar al-Bashir years. But after he was toppled, the transitional governmen...