LONDON (Reuters) -The share of available aluminium stocks of Russian origin in London Metal Exchange-approved (LME) warehouses rose to 90.4% in December from 78.8% in November, data on the exchange’s website showed on Wednesday. The rise follows a restriction imposed by Britain from Dec. 15 on UK entities and individuals taking physical delivery of Russia-made base metals, part of wider sanctions on Moscow for its war in Ukraine. “With regard to recent UK Government sanctions, the LME is actively monitoring for market orderliness in respect of Russian metal,” the LME, the world’s oldest and la…