In tonight's edition: Striking doctors in Kenya hold out as talks with the government lead nowhere after more than six weeks of industrial action. Also, former South African president Jacob Zuma may not yet have a completely clear run to the May 29 election, as his new party is forced to deny allegations it forged signatures to be on the ballot. And we head to the International Xylophone Festival in Cameroon, where artists celebrate the instrument to prevent it disappearing.