The United States Secretary of State Mike Pompeo declares the 2015 nuclear accord with Iran as no longer in force. He also warns that the United States "is prepared to use our domestic authorities to impose consequences" for other countries that do not enforce the sanctions. Britain, France, Germany, China, and Russia oppose the snapback sanctions.
Gibraltar says the United States has applied to seize the Iranian oil tanker "Grace 1", which is being held by the United Kingdom territory for an alleged breach of European Union sanctions against Syria.
Several European Union states, including the United Kingdom, Germany, Portugal and Spain, officially recognize Juan Guaidó as interim President of Venezuela after Nicolás Maduro rejects the European ultimatum to call a new snap election. Other European Union countries, such as Greece and Ireland, stop short of recognizing Guaidó, while Italy's leading coalition party, the 5 Star Movement, declares that it is not "for the EU to tell another nation what to do".
The foreign ministers of Germany, Russia, the United Kingdom, France, China and Iran agree to the creation of a Special Purpose Vehicle, a financial facility in the European Union, to facilitate payments and continue trade with Iran after the US withdrawal from the Iran deal.
Iran is invited to attend the next round of talks over Syria's future, along with the representatives from the United States, Russia, Saudi Arabia, Turkey, Britain, France, Germany, Jordan, the United Arab Emirates, and the United Nations mediator for Syria, Staffan de Mistura. The next round of the "Vienna II" meeting is expected to start tomorrow and continue Friday in Vienna, Austria.
Iran, the United States, the United Kingdom, France, Russia, People's Republic of China, Germany, and the European Union (the P5+1) reach a breakthrough agreement on the general framework for an agreement on Iran's nuclear program, but sign no verbal agreement or official document. The deadline for a full deal is June 30, 2015.
Police in Iran make several arrests of suspects in relation to an attack on two nuclear physicists that it claims are connected to the United States Central Intelligence Agency, Mossad from Israel, and MI6 in the United Kingdom.
A group of more than 30 journalists from such countries as Turkey, Spain, Germany, Lebanon, Egypt, the United Kingdom and the United States announces it is to take legal action against Israel for equipment lost and money stolen due to the Gaza flotilla raid.