Cameras stand in front of a luxury downtown hotel, where closed-door nuclear talks with Iran take place, in Vienna, Austria, Wednesday, April 22, 2015. Negotiators are meeting in attempts to reach a deal that curbs Iran's nuclear program in exchange for sanctions relief.

Iran nuclear talks go into end phase ahead of June deadline

Representatives from the U.S., Iran and the European Union are meeting in a downtown hotel in talks to fine-tune a framework agreement reach…