European leaders said Iran has not done enough yet to fend off so-called snapback sanctions related to Tehran nuclear program as a tight deadline nears, although the sides agreed to continuing talking while the clock ticks down. We need to see some real action also on the Iranian side," European Union foreign policy chief Kaja Kallas said on September 23 after meeting with Ian's foreign minister. One of the conditions that the E3 had set to delay the process was for Tehran to resume full cooperation with the UN nuclear watchdog before the end of August. UN nuclear watchdog chiefRafael Grossitold Reuters there were "intense" conversations between him, Iran, European powers, and the United States in an effort to reach a settlement. Tehran has remained defiant in the face of Western pressure concerning its nuclear program and uranium enrichment procedures.