Rwanda has warned it will launch an attack “very soon” on Hutu rebels sheltering in east Congo – an ominous development that raised fears of renewed central African conflict.

A contingent of Rwandan troops is heading to Darfur this weekend – the first foreign soldiers to deploy in western Sudan, where thousands of people have been killed in violence some are calling a genocide.

A man accused of being one of the chief architects of the Rwandan genocide is to appear before a UN tribunal today in Arusha, Tanzania.