The United States and Iran have begun a third round of nuclear talks, entering what experts describe as a more difficult phase of technical negotiations this weekend as Washington lays out its conditions.

The third round of talks in three weeks have raised hopes for an Iran nuclear accord, which could avert a new Mideast conflict. President Trump said he believed a deal was within reach.

Talks are set to start at expert-level, which will begin drawing up a framework for a potential nuclear deal, ahead of an indirect meeting between the lead negotiators. Trump, in an interview with Time magazine published on Friday,