Iran criticized the U.N. chief's decision to withdraw Tehran's invitation to join this week's peace conference on Syria, as delegates began to arrive in Switzerland on Tuesday for the long-awaited talks.
A last-minute U.N. invitation for Iran to participate in the so-called Geneva conference threw the entire meeting into doubt, forcing U.N. chief Ban Ki-moon to rescind his offer late Monday under intense U.S. pressure after Syria's main Western-backed opposition group threatened to boycott. (AP)