MANILA, Philippines — The Alliance of Health Workers on Monday asked the Office of the Ombudsman to investigate Health Secretary Ted Herbosa and Undersecretary Albert Francis Domingo for an alleged "flight upgrade" for the latter.The group said in a letter addressed to Ombudsman Jesus Crispin Remulla that on May 11, 2026, Herbosa issued a department personnel order which, it said, intended "to amend a previous directive to upgrade...Domingo's tr…