Britain on Monday imposed new sanctions on Russia's so-called "shadow fleet", targeting 135 oil tankers along with two Russian firms, shipping company Intershipping Services LLC and oil trader Litasco Middle East DMCC.The oil tankers are critical to Russia's energy and oil sectors…<p><p>https://www.marinelink.com/news/uk-targets-russian-shadow-fleet-new-528164</p></p>