<p>The US has urged Ukraine to halt strikes on Russian energy infrastructure, warning that drone strikes risk provoking retaliation and driving up global oil prices, the <em>Financial Times</em> reported on Friday, citing people familiar with the matter.</p>
<p>The US has urged Ukraine to halt strikes on Russian energy infrastructure, warning that drone strikes risk provoking retaliation and driving up global oil prices, the <em>Financial Times</em> reported on Friday, citing people familiar with the matter.</p>