Bangkok governor MR Sukhumbhand Paribatra has threatened to file a lawsuit against the Office of the Auditor-General (OAG) after the government announced Tuesday it would set up a probe into the city's New Year light show, following an inquiry by the OAG. The OAG earlier recommended that the governor be suspended from duty over his alleged involvement in irregularities in City Hall's 39-million-baht light display.However, Prime Minister Prayut Chan-o-cha said Tuesday the BMA's light show scandal will be dealt with through the normal process and that it is not necessary to invoke Section 44 to handle the issue. The prime minister said the first step in the process is the probe by the Interior Ministry, which supervises City Hall