Tehran says it is reviewing the latest responses from the United States to its proposal to end the nearly three-month US-Israel war on Iran as mediator Pakistan steps up efforts to achieve progress in the talks that US President Donald Trump has warned are on the “borderline” between a deal and renewed strikes.Ministry of Foreign Affairs spokesperson Esmaeil Baghaei said late on Wednesday that the Iranians have “received US views and are reviewing them”, according to the Iranian state agency Nour News.Recommended Stories list of 3 itemsend of listSix weeks after a ceasefire took effect, efforts to bring the war to a permanent end have intensified in recent days as Pakistan’s military chief, Field Marshal Asim Munir, is to travel to Tehran on Thursday for “talks and consultations” with Iranian authorities, Iran’s ISNA news agency reported.Pakistani Interior Minister Mohsin Naqvi arrived in Iran on Wednesday for his second visit in less than a week to discuss Washington’s latest proposal.Pakistan in April hosted the only direct negotiations between US and Iranian officials since the war began on February 28.Munir was at the centre of the talks, which ultimately failed as Iran accused the US of making “excessive demands”.Munir’s announced visit would come a day after Trump warned that talks were on the “borderline” between a deal and the US renewing its attacks on Iran.“Believe me, if we don’t get the right answers, it goes very quickly. We’re all ready to go,” Trump tol …