Trump-Putin diesel deal strains US-Ukraine ties after Zelensky ignores refinery strike warnings

A U.S. official reports President Trump struck a diesel fuel deal with Russia after Zelensky ignored six U.S. requests to halt attacks on Russian oil refineries. The deal introduces a new crisis in U.S.-Ukraine relations and threatens the Trump administration's push for a war-ending agreement. The claim is sourced to a single unnamed official, leaving the deal's terms and the full extent of the rift unconfirmed.