Psara Energy has filed a fresh claim in its ongoing legal battle with billionaire Mehmet Emin Karamehmet — this time accusing an Oaktree Capital Management-backed financier of helping the Turkish shipowner hide assets.

Vafias-linked Psara filed the suit on 19 June in a San Francisco federal court, obtaining an arrest warrant for the 157,600-dwt Advantage Spring (built 2010) as it looks to secure $17.1m