Keir Starmer, the British prime minister, and Emmanuel Macron, the president of France, are expected to promise today to have their nuclear arsenals work together if Europe is threatened. Private equity firms have entered the $40 billion youth sports industry. Their investments could raise costs for families.

Is there a direct link between what US President Donald Trump says and what Russian President Vladimir Putin does? Certainly, the harsh words and bitter violence of recent days in Ukraine suggest the answer is maybe.

Mr Putin’s war against Ukraine inadvertently led to an end to the hitherto intractable conflict between Azerbaijan and Armenia, which is now struggling to break free of Russia’s grip and make peace with Turkey.

Secretary of State Marco Rubio talks about countering China as it expands its global influence. But President Trump’s tariff threats have created friction with U.S. partners.

Secretary of State Marco Rubio plans to meet Russian Foreign Minister Sergey Lavrov on Thursday, just days after President Donald Trump expressed frustration with Russian President Vladimir Putin for not engaging in peace talks with Ukraine,

The president’s remarks during a cabinet meeting were the latest sign of his growing displeasure with the Russian leader.

Also, measles cases hit a 25-year high. Here’s the latest at the end of Wednesday.

After days of expressing displeasure with his latest phone call with Putin, Trump went even further at a Cabinet meeting.

Russia’s attacks on Ukraine are escalating, both on the front lines and across urban centres. Ben Hall, the FT’s Europe editor, talks to military analyst Franz-Stefan Gady about Ukraine’s battle to hold onto territory until a ceasefire can be agreed. Clips: Channel 4; ABC