<span style="color: #222222;">Iran today said that it is now enriching uranium to five percent, after stepping back from its commitments under the troubled 2015 accord with significant powers.<br />'' <br />'' The deal four years ago set a 3.67 percent limit for uranium enrichment, but Tehran announced it would no longer respect it after the United States unilaterally abandoned the agreement last year and reimposed crippling sanctions.<br />'' <br />'' </span><br />