Negotiators from Iran and the six nation countries have been holding talks in Vienna in an attempt to revive a deal to limit the country's nuclear programme.
In 2015, Iran reached a deal with the US, Britain, France, China, Russia and Germany to allow limited nuclear activities and a relief from sanctions.
However, in 2018 President Donald Trump withdrew from the agreement and resinstated tough restrictions.
The Isreali government - who has historically opposed any nuclear programme in Iran - is calling on the US and it's allies to wake up to the threat of Iran as a potential nuclear power.
Israeli Prime Minister Naftali Bennett says Iran's regime wants nuclear weapons - a claim that the country has repeatedly denied.
BBC correspondent Bethany Bell spoke to Susie Ferguson.