The Prime Minister’s announcement on 25th March that sanctioned Russian tankers in UK waters could be boarded and detained has triggered a visible response at sea. Several shadow fleet vessels have already altered course to avoid the English Channel. The iPaper was first to report that some of these ships are loitering near critical infrastructure The Prime Minister’s announcement on 25th March that sanctioned Russian tankers in UK waters could be boarded and detained has triggered a visible response at sea. Several shadow fleet vessels have already altered course to avoid the English Channel.... [4112 chars]