"We’ve made our choice. Iran now has an opportunity to make its choice. I would hope they would make the choice that most of the free world wants them to make," he said after talks with British Prime Minister Tony Blair.
"There is no need to isolate your people. There is no need to continue this obstinance when it comes to your stated desires to have a nuclear weapon," said Bush.
Tehran denies it seeks nuclear weapons.
"And should they agree to verifiably suspend their (uranium) enrichment, the United States will be at the table with our partners," he said.