Four Russian oil tankers are stranded at sea following the US sanctions against Iran, according to Reuters. Three fuel tankers, which were loading oil products in February-March, and a crude oil tanker, which loaded Russian oil in early April, fell under sanctions. The large oil tanker Anthea loaded about 200,000 metric tons of Russian Urals oil in the Laconian Gulf near Greece through ship-to-ship transfers by two vessels at the end of March and is now anchored in the Suez Canal with oil on board, according to data from the LSEG. According to the LSEG, the vessel has been anchored in the Suez…