US President Donald Trump on Monday said Iran would never possess a nuclear weapon under the emerging agreement between Washington and Tehran, while insisting that the deal was fair and entering a new phase.“Iran will never have a nuclear weapon under deal,” Trump said.The US president also signalled progress in negotiations, saying, “Iran deal goes to a second stage,” and adding, “We think it’s a fair deal.”Trump maintained that Washington would not provide funding to Tehran under the agreement. “We are not investing any money in Iran,” he said.Also Read: Trump terms $300 billion fund to rebuild Iran as 'fake news'He also warned of severe consequences if Iran sought to develop nuclear weapons. “All hell will break out on Iran if Iran tries to gets a nuclear weapon,” Trump said.Trump’s remarks come as the US and Iran continue discussions over a potential agreement, though details of the next phase have not been disclosed.