Iran seeks funds as US talks edge to interim deal, sources say

DUBAI, June 11 (Reuters) - Efforts to reach a preliminary deal between Iran and the U.S. have intensified, three Iranian sources and a European official told Reuters on Thursday, despite strikes launched by both sides, as they discuss a mechanism over releasing frozen Iranian funds.The sources said Iran and the United States were still exchanging messages over details of a memorandum of understanding amid the ongoing confrontation between Tehran and Washington.