Bangladesh, Dec. 18 -- Nepals long-troubled battle against corruption has entered a new and politically sensitive phase with fresh charges filed against senior officials linked to the Pokhara Regional International Airport, one of the countrys most ambitious infrastructure projects. The Commission for the Investigation of Abuse of Authority (CIAA), Nepals constitutional anti-graft body, has accused the airport projects chief, Binesh Munakarmi, of illegally amassing wealth over more than two decades in public service, while a separate but related case implicates dozens of senior officials and a Chinese contractor in the alleged misuse of tens of millions of dollars.

At the center of the latest case is Munakarmi, head of the Pokhara Region...