A Lufthansa spokesman said a solution could only be found in joint discussions and arbitration, adding: "You can't strike and arbitrate at the same time."

UFO has warned that if no progress is made, it will announce next Thursday when and where strikes would take place and for how long they would last. [S8N27S05W]

(Reporting by Klaus Lauer; Writing by Michelle Martin; Editing by Paul Carrel)

Stocks treated in this article : Lufthansa Group AG, Reach plc, The Place Holdings Limited