Panama’s comptroller general said on Friday that his office would send prosecutors more audit material on former executives of CK Hutchison’s local subsidiary next week, as part of a criminal investigation into the Hong Kong conglomerate’s annulled Panama Canal ports concession. Speaking at the Atlantic Council in Washington, Anel Flores said prosecutors had requested documents concerning Panama Ports Company (PPC), the operator of the Balboa and Cristobal terminals at either end of the canal until February. In addition to some PPC executives, the material covers former board members of the Panama Maritime Authority, the regulator that oversaw the concession.