Syrian National Council, the main opposition bloc, is holding a two-day meeting in the Turkish city of Istanbul to choose a new president.<br /><br />Its former head Burhan Ghalioun resigned from his post amid accusations that he was monopolising power.<br /><br />Al Jazeera's Anita McNaught, reporting from Istanbul, said the SNC has unofficially selected Abdulbaset Sieda, a Kurdish candidate, to follow on from Ghalioun. A vote may not take place if a consensus is confirmed on Sieda.