Western powers remain committed to the nuclear deal with Iran, following the announcement by the United States on Tuesday night that it was withdrawing from the deal.
The United Kingdom, France and Germany say they will "work with all the remaining parties" and urge the United States not to block its implementation.
Russia, which is "deeply disappointed", and China, which in 2015 signed an agreement with Iran, also expressed support. Iran says it is trying to salvage the deal.
In a joint statement, the United Kingdom, France and Germany expressed their commitment.
"Our governments remain committed to securing the agreement and will work with all other parties to the agreement to ensure its implementation."
Israel and Saudi Arabia welcomed the decision of the American President. Israel is mobilizing some of its reserve forces, the military said, following the announcement of the US president's decision to withdraw Washington from the nuclear deal with Iran.
Syria, on the other hand, "strongly condemns" the announcement of the US withdrawal from the agreement on the Iranian nuclear program, expressing its "absolute solidarity" with Tehran.
Former United States President Barack Obama has called for a "serious mistake" in Donald Trump's decision, saying "not only is the deal on Iran's nuclear program" working "but it would also be in Washington's interest to remain in force.
"The Security Council has unanimously ratified the agreement, and no country alone has the right to declare it dead," said Ban Ki-moon, the former Secretary-General of the United Nations.
On Tuesday, Iranian President Hassan Rohani said:
"I have instructed the Foreign Ministry to negotiate in the coming weeks with European countries, China and Russia. If we achieve the goals of the agreement in cooperation with other members of the agreement, it will remain in force ".
Under the agreement with Iran, the so-called Joint Comprehensive Plan of Action (JCPOA), Iran's nuclear activities were reduced in exchange for the lifting of sanctions imposed by the UN, the US and the European Union.
The financial side
US Treasury Secretary Steven Mnuchin said on Tuesday that he did not expect major increases in oil prices on the markets once US sanctions on Iran, which were announced to be re-imposed, hit Iranian crude as some countries appeared willing to raise oil prices. own production to offset supply losses.
He also said that the licenses given to Boeing and Airbus to sell passenger planes and spare parts to Iran would be revoked as a result of the re-imposition of US sanctions on Tehran. Their revocation will take effect after a period of 90 days.
Japanese Foreign Minister Taro Kono has said that Tokyo will monitor closely the consequences of US President Donald Trump's decision to withdraw his country from the international agreement with Iran on the Islamic Republic's nuclear program in the near future. . He stated that he intends to continue contacts with other countries.
The Tokyo Stock Exchange has been on a downward trend since the US president decided to withdraw his country from the international agreement with Iran on the Islamic Republic's nuclear program. The interest of Japanese investors is now focused on the results of the use of Toyota Motor, which will be made public for the first time during the money market meeting.
The Nikkei index falls 0,5% to 22.399,00 points. The broader Topix index fell 0,5% to 1.770,77 points.