"Since Sunday, when the Iranian delegation returned to Tehran, several messages have been exchanged through Pakistan," said Foreign Ministry spokesman Esmaeil Baqaei at a weekly briefing for journalists. He added that today Iran will "very likely" receive a Pakistani delegation as a continuation of talks in Islamabad. U.S.-Iran negotiations over the weekend in Pakistan were held against the backdrop of a fragile two-week ceasefire announced a few days earlier, but they failed to produce an agreement to end the war.