Key Syrian Islamist rebel groups say they do not recognise any foreign-based opposition group, including the National Coalition, which is based in Istanbul, Turkey.

"The National Coalition and the proposed government under [recently chosen] Ahmad Tomeh does not represent us, nor do we recognise it," 13 of Syria's most powerful rebel groups said in a joint statement late on Tuesday.

Al Jazeera's Zeina Khodr reports from Beirut.

Source: Al Jazeera