Drama ensued after a German man and his Thai wife engaged in a heated argument aboard a Lufthansa Airlines flight that was on its way to Bangkok from Munich, causing the flight to be diverted to New Delhi on Wednesday, according to sources. The husband was deboarded after the plane landed at the Indira Gandhi International (IGI) Airport at 10:26 am.Drama ensued after a German man and his Thai wife engaged in a heated argument aboard a Lufthansa Airlines flight that was on its way to Bangkok from Munich, causing the flight to be diverted to New Delhi on Wednesday, according to sources. The husband was deboarded after the plane landed at the Indira Gandhi International (IGI) Airport at 10:26 am.