The White House on Wednesday dismissed as untrue reports that the US had sought to extend a ceasefire with Iran, while confirming that discussions over a second round of in-person negotiations were under way after marathon talks in Islamabad last week ended without a breakthrough. White House press secretary Karoline Leavitt told reporters that discussions were under way about a further round of talks with Tehran but “nothing is official”, adding that the negotiations would “very likely” be held...