Foreign Minister Abbas Araghchi said Wednesday that Iran’s enrichment of uranium as part of its nuclear programme was “non-negotiable” after US Special Envoy Steve Witkoff called for a halt. “Iran’s enrichment is a real, accepted matter. We are ready to build confidence in response to possible concerns, but the issue of enrichment is non-negotiable,” Araghchi told reporters after a cabinet meeting. The remarks came as Araghchi and Witkoff are due to meet again in Oman on Saturday, a week after they held the highest-level talks between the longtime foes since…