President Donald Trump once accused Ukraine’s Volodymyr Zelensky of lacking “cards” to play in his country’s years-long fight against Russia, but now he’s paying far more attention to what might be in Zelensky’s hands.

President Donald Trump said Russian President Vladimir Putin told him in a phone call on Wednesday that Putin will retaliate against Ukraine for its coordinated drone attack on Russian war planes.

At least five people, including a 1-year-old, were killed in a Russian attack on Ukraine just hours after a phone call between President Donald Trump and Russian President Vladimir Putin.