UK Prime Minister Andy Burnham on Wednesday insisted that there were "strong indications" that Tehran was involved in a security incident on Sunday near an airbase in England that the US military uses in its war against Iran. The British government has still not explained the nature of the incident – in which five British men were arrested only to be later released on bail – and no explosives were found at the scene. 

A British-French agreement aimed at reducing the number of people trying to cross the English Channel in small boats has been scrapped, London said Wednesday. The pilot programme was intended to break the business model of "people smugglers" by exchanging undocumented migrants who had made the crossing for people who legally applied for asylum.

The US Supreme Court on Wednesday cleared the way for Tennessee to execute Christa Pike, 50, the state's first woman put to death in 200 years. The ruling came hours after a federal appeals court temporarily halted the lethal injection to consider claims that Pike's childhood sexual abuse was not adequately weighed at sentencing.

Speaking alongside Spanish Prime Minister Pedro Sanchez on Wednesday, French President Emmanuel Macron said that it would be "a good decision" if the UK decided to rejoin the European Union. The two leaders met at the Moncloa Palace in Madrid on the second day of Macron's two-day state visit to Spain.

Trade ministers of the Group of 20 are meeting in Milwaukee for two days of talks on Wednesday, but US President Donald Trump’s tariffs are expected to hang heavy over the talks. "Don't expect any breakthroughs," an analyst watching the event said.

Ukraine's main energy provider DTEK said it had made emergency power cuts in Kyiv as directed by the national grid operator after Russia hit the country's infrastructure in a wave of deadly drone and missile strikes. At least seven people, including a 14-year-old child, were killed in the attacks, Ukrainian authorities said. Follow our liveblog to see how the day's events unfolded.

The US Supreme Court on Tuesday cleared the Trump administration to resume deporting migrants to countries other than their own while it considers the legality of the practice. The court’s conservative majority temporarily blocked safeguards requiring deportees to receive notice of where they would be sent and time to raise persecution concerns.