President Donald Trump has signed a memorandum of understanding aimed at ending the war with Iran, U.S. officials said, launching a 60-day diplomatic test that could determine whether the Middle East moves toward a fragile ceasefire or back toward confrontation.

Poland was investigating Thursday the killing of a Russian artist and outspoken critic of President Vladimir Putin after Polish Prime Minister Donald Tusk said the murder bore the hallmarks of a political assassination.

Brazil’s Supreme Court has sentenced Eduardo Bolsonaro, the son of former President Jair Bolsonaro, to four years and two months in prison after finding him guilty of seeking U.S. intervention in legal proceedings involving his father.

President Donald Trump warned Wednesday that a preliminary memorandum of understanding with Iran is “not final,” making clear that U.S. military pressure remains on the table if Tehran fails to comply with the emerging agreement.

U.S. President Donald Trump said Tuesday that the emerging agreement between Washington and Tehran has been “successful” and is now moving into a “second stage,” while warning that Iran will never be permitted to obtain nuclear weapons.

CIA Director John Ratcliffe warned senior U.S. officials, including President Donald Trump, that American intelligence had gathered evidence raising serious doubts about Iran’s willingness to make meaningful concessions on its nuclear program, according to an Axios report citing three sources familiar with the matter.

Vice President JD Vance on Monday denied that American taxpayers would finance a reported $300 billion reconstruction fund for Iran, saying any such assistance would come from Gulf nations and only if Tehran fulfills strict commitments to end its nuclear weapons ambitions.

Ukrainian President Volodymyr Zelensky accused Russia on Monday of committing “one of the biggest Russian crimes against Christian culture today” after a massive missile and drone attack damaged an ancient cathedral in Kyiv and left nearly a dozen people dead across Ukraine.

Hungary’s parliament approved a constitutional amendment Monday barring former Hungarian Prime Minister Viktor Orbán from ever returning as head of government after serving more than eight years in office, a move the longtime leader swiftly condemned as politically motivated.

World leaders on Monday cautiously welcomed the announcement of a U.S.-Iran framework agreement aimed at ending hostilities, reopening the Strait of Hormuz, and launching negotiations toward a permanent peace deal, as U.S. President Donald Trump arrived in France for the Group of Seven summit.

The United States secretly approved a financial and maritime arrangement between Qatar and Iran that allowed billions of dollars to flow to Tehran in exchange for safe passage for Qatari tankers and ships through the Strait of Hormuz, according to a report by Israel Hayom.

Swiss voters narrowly rejected a proposal Sunday to cap the Alpine nation’s population at 10 million people by 2050 amid concerns over rising immigration, including from predominantly Muslim countries, dealing a setback to the country’s largest right-wing party and avoiding a clash with the European Union over freedom of movement.

Hungary’s largest opposition party, Fidesz, re-elected former Prime Minister Viktor Orbán as its leader Saturday despite the party’s crushing election defeat in April and fresh allegations that his government secretly considered establishing a migrant reception center while publicly opposing migration.

Brazil was rocked by a second fatal accident in less than 48 hours Sunday when two helicopters collided over Rio de Janeiro, killing all six people aboard, including American singer and internet personality Oliver Tree, a day after a young woman died in a rope-jumping accident in São Paulo state.

A teenage girl has been released from hospital after she was stabbed in the neck while walking down the street in an incident that heightened tensions over migration across the United Kingdom.