A senior British aid official has been expelled from Chad while attempting to visit Darfur refugees still living in the east of the country.
Mukesh Kapila was the outspoken head of the UN in Sudan when the Darfur conflict began nine years ago.
Chad's interior minister personally ordered him to leave the country.
Mr Kapila says his expulsion is because Chad has close ties to Sudan's government, which he has accused of genocide.
This was Mr Kapila's first visit to the region since he was removed from his post in 2004 when - frustrated by his failure to persuade the international community to take action on the unfolding crisis in Darfur - he went public, speaking to the BBC.
Mr Kapila is haunted by his inability to stop the massacres in Darfur.
Some 2.7 million people have fled their homes since the conflict began in Sudan's arid western region, and the UN says about 300,000 have died - from war, hunger and disease. Read more >>>>>>>>>>>>>>>>>>>>>>>>>