The first arrests have taken place in the scandal surrounding Rupert Murdoch's British media empire. Police questioned Andy Coulson, the former editor of the News of the World who later worked as the government communications chief for nine hours, over allegations of corruption and phone hacking by the paper. Mr Coulson has denied any knowledge of the hacking. Another former senior journalist of the paper was arrested in connection with alleged illegal payments to the police.

A group of British aid agencies has launched a joint fundraising appeal to help more than 10 million people affected by the severe drought in the Horn of Africa. The Disasters Emergency Committee says about 1,300 people every day are

trek

king across Somalia to the Dadaab refugee camp in eastern Kenya, from where Ben Brown reports.

There are well over 380,000 people here now, and some have to wait for days or even weeks before they get regular rations of food. Relief workers are hearing harrowing stories of mothers who had to abandon their weakest child on the long track to get here from Somalia. And even once they are in this camp, some mothers are prepared, say aid workers, to let their most malnourished child die if that means she can save her other children.

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A Congolese airliner has crashed in the eastern city of Kisangani, killing at least 46 people.

There are conflicting reports about the number of passengers on board, and the number of those killed could be higher.