Just one day after getting news of a poison pill adopted by US tanker owner International Seaways’ board to ward off his advances, John Fredriksen is spitting the medicine back toward New York.

Famatown Finance, International Seaways’ largest shareholder at 16.6% and a member of the Norwegian shipping tycoon’s umbrella company Seatankers Group, ripped the New York-based company’s defensive tactic and pressed to help appoint two additional members to its board of directors.