A deadly firefight on Monday killed at least 25 people after Sudanese security forces thrust into one of the largest camps for Darfur’s displaced.

Darfur’s new chief mediator, Djibril Bassole, made his first visit to Sudan on Sunday as he begins his uphill task of reigniting stalled peace talks.

Côte d’Ivoire government troops and rebels controlling the country’s north will start to disarm by December 22 before forming a new national army, a foreign peace mediator said…