US and Pakistani leaders forecast a Sunday signing of a long-elusive framework agreement to end months of fighting between the United States and Iran, but Tehran cast doubt over the timing and hardline protesters in Iran voiced opposition.Sources told Al Arabiya on Sunday that US and Iranian delegations were expected to hold a virtual meeting today to sign the peace agreement adding that the meeting will be held in the presence of mediating states, Pakistan and Qatar.The sources added that the Memorandum of Understanding (MoU) will be signed during the virtual meeting that will be attended by US Vice President JD Vance and Iran Parliament Speaker Mohammad Bagher Ghalibaf.Following the signing of the agreement, the Strait of Hormuz will be reopened and transit will be permitted without fees, the sources said added that the blockade on Iranian ports will be lifted, after the signing.President Donald Trump posted that the deal with Iran was scheduled to be signed on Sunday, his 80th birthday. Pakistani Prime Minister Shehbaz Sharif said Islamabad was preparing for an electronic signing, to be followed by technical-level talks in the coming week.For all the latest headlines, follow our Google News channel online or via the app.But Iranian Foreign Ministry spokesperson Esmaeil Baghaei, speaking before Trump’s post, was quoted by state media as saying on Saturday it would “not be tomorrow” but could happen “in the coming days.”Iran’s Fars news agency citing an informed source said on Sunday that Tehran has not yet taken a final decision on the framework agreement, with reviews of its political, legal and technical aspects still ongoing at expert and decision-making levels.Qatari negotiators flew to Tehran on Sunday morning as part of an effort to finalize the agreement, a source with knowledge of the situation told Reuters.