Kenya's longest-serving leader Daniel arap Moi dies

The former president of Kenya - Daniel Arap Moi - has died at the age of ninety- five; there's confusion in the American state of Iowa over technical failures which have delayed the results of the caucus vote to select a Democratic presidential candidate; and Malawi's constitutional court has annulled last year's controversial election, which saw President Peter Mutharika narrowly re-elected.