FILE PHOTO: Planes of German carrier Lufthansa are parked on a closed runway at the airport in Frankfurt, Germany, March 23, 2020, as the spread of the coronavirus disease (COVID-19) continues. REUTERS/Kai Pfaffenbach
FRANKFURT (Reuters) – The idea of German flagship carrier Lufthansa (LHAG.DE) using a type of protection from creditors is not yet off the table, a source at the airline