Ver.di union has threatened longer strikes in the ongoing collective bargaining dispute with Lufthansa. Union's chief negotiator said the willingness to strike has never been higher in the past 20 years.

Ver.di is demanding 12.5 percent more salary, but at least 500 euros per month for a term of twelve months. LufThansa points to past wage increases and has offered 13 percent more money and an inflation compensation bonus for a period of three years. The next round of negotiations is planned for February 12th in Frankfurt am Main.