Listen to Australian and world news, and follow trending topics with SBS News Podcasts.In this bulletin;The United States and Iran are set to hold talks in Pakistan to end the six-week-old war, although doubts have been cast over negotiations with Tehran saying they cannot begin without commitments on Lebanon and sanctions.The Iranian delegation, led by parliamentary Speaker Mohammad Baqer Qalibaf and Foreign Minister Abbas Araqchi, arrived in the capital Islamabad on Friday.Mr Qalibaf says talks can not commence until Washington agrees to unblock Iranian assets and to a ceasefire in Lebanon, where Israel has killed nearly 2000 people in the past 6 weeks.Vice President JD Vance, who is leading the US delegation, says Iran should not try to "play" the US, warning the negotiating team won't be receptive if they do.—Energy minister Chris Bowen says there are 57 tankers of fuel currently heading to Australia, with orders locked in for the next four weeks.Providing a daily fuel supply update, Mr Bowen says that despite some progress between the US and Iran, there remains plenty of global uncertainty.Prime Minister Anthony Albanese is currently returning from Singapore, where he signed an agreement to continue trading large amounts of fuel and gas between the two countries.Mr Bowen says the government will not let their guard down on energy security."We are not for one second relaxing our efforts to ensure security of fuel supply That's why the prime minister's been in Singapore is currently on his way back