A British man accused of plotting to torch a London business connected to Ukraine has been charged with conducting hostile activity to benefit Russia, prosecutors said on Friday. Dylan Earl, 20, is allegedly connected to Russia’s Wagner mercenary group, which the UK government has banned as a terrorist organisation. Earl is accused of fraudulent activity, research and reconnaissance of targets, and attempting to recruit others to assist a foreign intelligence service carrying out activities in the UK. “Included in the alleged activity was involvement in the planning of an arson attack on a Ukr…