President Vladimir Putin intends to keep fighting in Ukraine until the West engages on his terms for peace, unfazed by Donald Trump's threats of tougher sanctions, and his territorial demands may widen as Russian forces advance,

Ukrainian President Volodymyr Zelenskyy has expressed gratitude for U.S. President Donald Trump's plan to send more weapons to Ukraine, particularly Patriot air defense missile systems.

“Putin will not negotiate as a loser,” one of his longtime associates tells TIME by phone from Moscow. “He knows that winners don’t get punished, and if he wins, all of this” — the sanctions, the tariffs — “will go away.”

Ivo Daalder, a senior fellow at Harvard Belfer Center, says that President Donald Trump realizes that he needs to change course because the Russian leader has been playing him "for years."

Bloomberg journalists answer your questions about Trump’s tariff threat to Putin over the war in Ukraine — will it work?

Trump tells the that he trusts "almost no-one" in a wide-ranging phone call on the war in Ukraine, Nato and the UK.

He's killing too many people," Trump said. "So we're sending some defensive weapons to Ukraine."Start the day smarter. Get all the news you need in your inbox each morning. Trump did not approve the weapons pause,