The warning is an indication of Iran's concern that a potential deal with President Donald Trump 's administration could be knocked off course at a time Israel is concerned that a weak agreement could put Iran on the path to acquire nuclear weapons and is lobbying Washington intensively.

Secretary of State Marco Rubio says Iran must give up all nuclear enrichment if it wants to make a deal during talks with the Trump administration and head off the threat of armed conflict

The United States and Iran are due to hold their second round of nuclear talks on Saturday, as what both sides are looking for in a deal begins to take shape.