LONDON (Reuters) – British pension schemes have very little investment in Russian securities, The Pensions Regulator’s policy director said on Monday, though he added there were practical difficulties in selling them. Moscow’s invasion of Ukraine has led to many firms rushing to offload Russian assets, though Western sanctions and counter-measures by Russia have made it hard to do so. “Russian stocks do make up a very small proportion of some global indices,” David Fairs, The Pensions Regulator’s executive director of regulatory policy, analysis and advice, told a webinar. “Our understanding i…