Pakistan, March 30 -- U.S. President Donald Trump announced on Sunday that he would impose secondary tariffs of 25% to 50% on Russian oil if Moscow blocks efforts to end the war in Ukraine. Trump stated that these tariffs could start within a month unless there is a ceasefire. He emphasized his anger after Russian President Vladimir Putin criticized Ukrainian President Volodymyr Zelenskiy's leadership and suggested undermining Zelenskiy's position.

Trump, in a phone interview, expressed his frustration with Putin and vowed to discuss the situation with him this week. He has repeatedly promised during his 2024 presidential campaign to end what he calls the "ridiculous" war in Ukraine. Trump has also called for new elections in Ukraine and...