Uganda detains 20 militia 'collaborators' after student massacre

<p>In tonight's edition: Twenty people are arrested in Uganda - suspected of collaborating with the notorious milita group blamed for last weeks tragic and deadly school attack. A phone application is saving lives in Gabon - linking potential blood donors to those who need an urgent transfusion. As Senegalese Muslims prepare for the religious feast of Tabaski, sheep farmers who provide the traditional sacrifice are set to lose out.as fearful customers stay away from celebrations </p>