enrichment

Iran will begin enriching uranium at its underground Fordo facility on Wednesday, rolling back another commitment under a 2015 nuclear deal.

President Hassan Rouhani said the step was reversible if world powers party to the accord upheld their commitments.

Enriched uranium can be used to make reactor fuel but also nuclear weapons.

This is the fourth step taken by Iran since July in response to sanctions the US reinstated when abandoning the deal.

The 2015 accord was intended to curb Iran’s nuclear ambitions in return for relief from sanctions