judith moritz, bbc news, manchester.ary factions in sudan have agreed a seven—day truce beginning on thursday, with both sides saying they're now prepared to attend peace talks. the united nations has warned once again of the humanitarian crisis unfolding in the region. more than 300,000 people in sudan are internally displaced having left their homes to escape the fighting, and the un says 100,000 more have fled the country, after more than two weeks of violence. the british government has tonight announced more evacuation flights for uk nationals will leave port sudan tomorrow. our africa correspondent andrew harding is in saudi arabia, where many of those fleeing are continuing to arrive. andrew, a new week—long ceasefire and peace talks. what are the chances any of this will come to pass? good evening. i wish i had very positive news for you but i suspect that this is overoptimistic. remember, we've already had three three—day long ceasefires and those have not stuck remotely. a seven day ceasefire starting on thursd