China temporarily suspends plans to cross-link companies on the London and Shanghai Stock Exchange due to increased political tensions between the two nations, particularly Britain's stance on the Hong Kong protests.
The United States Secretary of State Mike Pompeo declares the 2015 nuclear accord with Iran as no longer in force.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.
China warns the United Kingdom that "no country has the right to intervene on the issue of mass protests in Hong Kong", as it considers the problems of this self-governed city an "internal problem". For China, the agreement by which the United Kingdom returned Hong Kong is nothing more than "a historical document of no practical importance" and "that European country no longer has any responsibility over Hong Kong". The British chancellery, for its part, dismissed the Chinese opinion, and has said that "it is the right and obligation of the United Kingdom to work to enforce the agreement", which, in theory, guarantees a high degree of autonomy for Hong Kong for 50 years until 2047 without Chinese interference.
Iranian President Hassan Rouhani sends letters to the P5+1 leaders of the United Kingdom, China, Russia, Germany, France and the European Union announcing the country's partial withdrawal from the 2015 Joint Comprehensive Plan of Action agreement. Furthermore, Iran announces that it will stop exporting uranium and heavy water from its nuclear program.
Nobel Peace Laureate Liu Xiaobo, who has been incarcerated in China for organizing the pro-democracy manifesto "Charter 08," is suffering from late-stage liver cancer which is worsening. The Chinese hospital treating him and foreign doctors, who examined Liu the weekend, disagree on future treatment. Germany, the United States, UK, and other countries have appealed that Liu be allowed to go to the hospital of his choice.
Russia and China veto a draft United Nations Security Council resolution sponsored by France, the United Kingdom and the United States calling for sanctions against the Syrian government and President Bashar al-Assad over allegations that the government used chemical weapons in the conflict.
The UN Security Council fails to agree a statement to condemn the killing of Syrian protesters, as Russia and China block a statement proposed by Britain, France, Germany and Portugal that would have condemned the violence, which has led to hundreds of dead, and backed calls for an independent investigation.
The United Kingdom plans to reduce or eliminate international aid to countries such as the "powerhouses" of Russia and China, as well as South American and eastern European countries. The government plans aid increases to some poorer nations including a 40% increase to Afghanistan.