The Islamic State of Iraq and the Levant (ISIL) has claimed responsibility for a suicide bomb attack in Yemen targeting pro-government fighters. The suicide attack in Aden left at least 50 people dead. Joining Al Jazeera on the phone from Aden is Hassan Boucenine, Yemen Country Director for Doctors Without Borders. Subscribe to our channel: http://aje.io/AJSubscribe Follow us on Twitter: / ajenglish Find us on Facebook: / aljazeera Check our website: http://www.aljazeera.com/