It's even more urgent than it was in these other hurricanes or tsunamis.

The most important and urgent appeal we have to make is for an immediate cease-fire. Initial reports from the cease-fire talks being held in N'Djamena in Chad are not very encouraging.

I think it would be a massive undertaking to actually have a full-fledged tsunami warning system that would really be effective in many of these places,

We receive reports now on a daily basis from our own people on the ground in Darfur on widespread atrocities and grave violations of human rights against the civilian population.

However, air drops are being undertaken,

We have to date received no pledges.