The chairman of Libya's opposition has called for unity among members of the National Transitional Council. <br /><br />There are fears splits could be emerging following the killing of former rebel commander Abdel Fattah Younes. <br /><br />The National Transitional Council dissolved its executive committee. <br /><br />But as Tony Birtley explains from Benghazi, there are doubts that even that will be enough.
