Iranian officials have warned that U.S. participation in an attack on its facilities will imperil any chance of the nuclear disarmament deal the president insists he is still interested in pursuing.

President Trump reportedly plans to offer Iran a “last chance” to accept a nuclear deal amid Israeli attacks on Tehran. The proposal is expected to keep the Trump administration’s red line that the Iranian regime engage in no uranium enrichment,

The U.S. commander in chief again urged the Islamic republic to reach an agreement “before it’s too late.” Trump’s comments during the gathering of world leaders came shortly before Israel’s ambassador to the U.S. laid out what it would take from Tehran for his government to end its strikes on what he dubbed “the head of the snake.”