strongDubai: /strongIran blamed some interfering countries on Friday for the failure of a peace plan by former UN Secretary-General Kofi Annan in Syria, the official IRNA news agency reported, a day after the international envoy said he would leave his role. Annan said on Thursday he would quit as the peace envoy, frustrated by finger-pointing and a stalemate at the UN Security Council while the armed rebellion against Syrian President Bashar al-Assad was becoming increasingly bloody. Iranian officials have repeatedly voiced support for Annan's attempt, centred on an April ceasefire that never took hold, to resolve the spiralling crisis that opposition activists say has left around 18,000 people dead since the uprising began in March 2011. It seems that some interfering countries were not happy with the efforts made by ... Annan to stop the shipment of arms to Syria and end terrorist acts, Foreign Ministry spokesman Ramin Mehmanparast was quoted as saying. [caption id=attachment_403521 align=alignleft width=380