<p>Tunisia shuts its border with war-torn Libya, this after the Islamic State group claimed responsibility for Tuesday's bus bombing in Tunis in which at least 12 presidential guards died. Also, Pope Francis kick-starts his first tour of Africa which takes in Kenya, Uganda and the Central African Republic. The five-day visit is overshadowed by security fears.</p><br />And we bring you a report from Lagos where thousands of Nigerians have fled violence by Boko Haram, but authorities have done little to help them.<br /><br />Visit our website:<br />http://www.france24.com<br /><br />Like us on Facebook:<br />https://www.facebook.com/FRANCE24.English<br /><br />Follow us on Twitter:<br />https://twitter.com/France24_en
