'I changed Tunisia's history. I regret it all now' – video

Five years ago, in a desperate act of protest against the oppression he faced in Tunisia, fruit seller Mohammed Bouazizi killed himself by setting himself on fire. His death prompted protests in his home town of Sidi Bouzid. Hosni Kalaya tells how he set himself on fire to further fuel the anger, triggering a revolution in Tunisia and the Arab Spring in the wider region