<div><span style="font-size: 1rem;">Russia has halted gas deliveries to Germany via a key pipeline for an indefinite period, after saying Friday it had found problems in a key piece of equipment, a development that will worsen Europe's energy crisis.</span><br></div><div><br></div><div>Russian gas giant Gazprom said Friday that the Nord Stream pipeline due to reopen at the weekend would remain shut until a turbine is repaired.</div><div><br></div><div>In a statement, Gazprom indicated it had discovered "oil leaks" in a turbine during a planned three-day maintenance operation.</div><div><br></div><div>Resumption of deliveries via the pipeline which runs from near St Petersburg to Germany under the Baltic Sea, had been due to resume on Saturday. - AFP&nbsp;</div><div><br></div><div>bnbd24/fas</div>