In a speech at the UN, he said that to defeat IS but ignore Iran would be "to win the battle but lose the war".Mr Netanyahu also urged the West not to be fooled by Iranian President Hassan Rouhani's "charm offensive".Talks between Iran and world powers on its nuclear programme ended on Friday with no breakthrough.Speaking at the UN General Assembly, Mr Netanyahu said a nuclear-armed Iran would pose the "gravest threat to us all".He also accused Mr Rouhani of "phony tears" for speaking out against IS militants in Iraq and Syria, saying Iran's leader was engaging in a "terror campaign" of his own."Make no mistake, [Islamic State] must be defeated, but to defeat [IS] and leave Iran as a threshold nuclear power is to win the battle and lose the war."Israel has repeatedly warned the West against making concessions to Iran over its nuclear program and opposes a role for Iran in the international effort to defeat Islamic State.The so-called P5+1, comprised of the UK, China, France, Russia, the US plus Germany, suspect Iran is trying to develop nuclear weapons, a claim it denies.The talks are aimed at getting Iran to agree to scale back its uranium enrichment programme in return for the lifting of Western sanctions. A new deadline of 24 November has been set to reach a deal.Hamas attackMr Netanyahu also railed against world leaders for condemning Israel's war against Hamas militants in Gaza, saying Hamas and IS were "branches of the same poisonous tree".On Friday, Palestinian leader Mahmoud Abbas accused Israel of carrying out a "war of genocide" after launching a major military operation in Gaza on 8 July.In return, the Israeli prime minister accused Hamas of carrying out "the real war crimes", saying its fighters had used children as human shields in areas where it was firing rockets into Israel."Israel was using its missiles to protect its children. Hamas was using its children to protect its missiles," he said.(BBC)Bakudaily.Az