A senior White House official on Friday (local time) said that a proposed agreement with Iran meets the core objectives set by the US President and could be signed in the coming days, though internal Iranian differences remain.

The US and Iran may be nearing a breakthrough, according to Donald Trump. DW looks at what has emerged so far, and the key risks and challenges shaping any possible agreement.

Iran has agreed to dismantle its nuclear program. The nation will also destroy nuclear material. This is part of a deal with the United States. Tehran will open the Strait of…