British Prime Minister Andy Burnham on Saturday told Ukraine’s Volodymyr Zelensky he had his “complete solidarity” after he clashed with US President Donald Trump over a diesel deal with Russia. In a call between the two leaders Burnham told the Ukrainian president he recognised that “the past 24 hours had been difficult for Ukraine and reiterated his complete solidarity”, according to a readout released by his Downing Street office. The leaders discussed “the importance of maintaining pressure on Russia”, with Burnham making it clear the UK “would continue to strengthen its sanctions on Russia and to take further action to...